Home / 25,299.16-34,910.19-14,686.72

Finding the Fourth Proportional to 25,299.16, 34,910.19 and 14,686.72

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Solution

The fourth proportional to 25,299.16, 34,910.19 and 14,686.72 is: 20,266.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,299.16 : 34,910.19 = 14,686.72 : x
  2. Step 2: Convert to fraction form
    25,299.16/34,910.19 = 14,686.72/x
  3. Step 3: Cross multiply
    25,299.16x = 34,910.19 × 14,686.72
  4. Step 4: Simplify right side
    25,299.16x = 512,716,185.68
  5. Step 5: Solve for x
    x = 512,716,185.68/25,299.16
  6. Step 6: Final answer
    x = 20,266.13

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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.