Home / 25,002.81-34,502.76-14,390.19

Finding the Fourth Proportional to 25,002.81, 34,502.76 and 14,390.19

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Solution

The fourth proportional to 25,002.81, 34,502.76 and 14,390.19 is: 19,857.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,002.81 : 34,502.76 = 14,390.19 : x
  2. Step 2: Convert to fraction form
    25,002.81/34,502.76 = 14,390.19/x
  3. Step 3: Cross multiply
    25,002.81x = 34,502.76 × 14,390.19
  4. Step 4: Simplify right side
    25,002.81x = 496,501,271.92
  5. Step 5: Solve for x
    x = 496,501,271.92/25,002.81
  6. Step 6: Final answer
    x = 19,857.82

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Half scale
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Double scale
Find fourth proportional to 25,003.81, 34,504.14 and 14,391.19
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.