Home / 25,605.64-38,425.86-15,714.74

Finding the Fourth Proportional to 25,605.64, 38,425.86 and 15,714.74

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Solution

The fourth proportional to 25,605.64, 38,425.86 and 15,714.74 is: 23,582.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,605.64 : 38,425.86 = 15,714.74 : x
  2. Step 2: Convert to fraction form
    25,605.64/38,425.86 = 15,714.74/x
  3. Step 3: Cross multiply
    25,605.64x = 38,425.86 × 15,714.74
  4. Step 4: Simplify right side
    25,605.64x = 603,852,399.18
  5. Step 5: Solve for x
    x = 603,852,399.18/25,605.64
  6. Step 6: Final answer
    x = 23,582.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.