Home / 14,464.19-19,972.40-10,691.61

Finding the Fourth Proportional to 14,464.19, 19,972.40 and 10,691.61

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Solution

The fourth proportional to 14,464.19, 19,972.40 and 10,691.61 is: 14,763.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,464.19 : 19,972.40 = 10,691.61 : x
  2. Step 2: Convert to fraction form
    14,464.19/19,972.40 = 10,691.61/x
  3. Step 3: Cross multiply
    14,464.19x = 19,972.40 × 10,691.61
  4. Step 4: Simplify right side
    14,464.19x = 213,537,058.11
  5. Step 5: Solve for x
    x = 213,537,058.11/14,464.19
  6. Step 6: Final answer
    x = 14,763.16

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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.