Home / 25,390.17-35,042.10-14,785.65

Finding the Fourth Proportional to 25,390.17, 35,042.10 and 14,785.65

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Solution

The fourth proportional to 25,390.17, 35,042.10 and 14,785.65 is: 20,406.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,390.17 : 35,042.10 = 14,785.65 : x
  2. Step 2: Convert to fraction form
    25,390.17/35,042.10 = 14,785.65/x
  3. Step 3: Cross multiply
    25,390.17x = 35,042.10 × 14,785.65
  4. Step 4: Simplify right side
    25,390.17x = 518,120,225.87
  5. Step 5: Solve for x
    x = 518,120,225.87/25,390.17
  6. Step 6: Final answer
    x = 20,406.33

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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.