Home / 14,175.72-19,565.20-9,387.22

Finding the Fourth Proportional to 14,175.72, 19,565.20 and 9,387.22

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Solution

The fourth proportional to 14,175.72, 19,565.20 and 9,387.22 is: 12,956.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,175.72 : 19,565.20 = 9,387.22 : x
  2. Step 2: Convert to fraction form
    14,175.72/19,565.20 = 9,387.22/x
  3. Step 3: Cross multiply
    14,175.72x = 19,565.20 × 9,387.22
  4. Step 4: Simplify right side
    14,175.72x = 183,662,836.74
  5. Step 5: Solve for x
    x = 183,662,836.74/14,175.72
  6. Step 6: Final answer
    x = 12,956.16

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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.