Home / 25,000.48-34,501.16-13,670.68

Finding the Fourth Proportional to 25,000.48, 34,501.16 and 13,670.68

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Solution

The fourth proportional to 25,000.48, 34,501.16 and 13,670.68 is: 18,865.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,000.48 : 34,501.16 = 13,670.68 : x
  2. Step 2: Convert to fraction form
    25,000.48/34,501.16 = 13,670.68/x
  3. Step 3: Cross multiply
    25,000.48x = 34,501.16 × 13,670.68
  4. Step 4: Simplify right side
    25,000.48x = 471,654,317.99
  5. Step 5: Solve for x
    x = 471,654,317.99/25,000.48
  6. Step 6: Final answer
    x = 18,865.81

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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.