Home / 13,714.17-18,925.64-7,426.55

Finding the Fourth Proportional to 13,714.17, 18,925.64 and 7,426.55

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Solution

The fourth proportional to 13,714.17, 18,925.64 and 7,426.55 is: 10,248.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,714.17 : 18,925.64 = 7,426.55 : x
  2. Step 2: Convert to fraction form
    13,714.17/18,925.64 = 7,426.55/x
  3. Step 3: Cross multiply
    13,714.17x = 18,925.64 × 7,426.55
  4. Step 4: Simplify right side
    13,714.17x = 140,552,079.98
  5. Step 5: Solve for x
    x = 140,552,079.98/13,714.17
  6. Step 6: Final answer
    x = 10,248.68

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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.