Home / 25,313.16-34,931.60-13,827.69

Finding the Fourth Proportional to 25,313.16, 34,931.60 and 13,827.69

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Solution

The fourth proportional to 25,313.16, 34,931.60 and 13,827.69 is: 19,081.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,313.16 : 34,931.60 = 13,827.69 : x
  2. Step 2: Convert to fraction form
    25,313.16/34,931.60 = 13,827.69/x
  3. Step 3: Cross multiply
    25,313.16x = 34,931.60 × 13,827.69
  4. Step 4: Simplify right side
    25,313.16x = 483,023,266.87
  5. Step 5: Solve for x
    x = 483,023,266.87/25,313.16
  6. Step 6: Final answer
    x = 19,081.90

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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.