Home / 19,948.38-27,516.15-14,271.90

Finding the Fourth Proportional to 19,948.38, 27,516.15 and 14,271.90

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Solution

The fourth proportional to 19,948.38, 27,516.15 and 14,271.90 is: 19,686.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,948.38 : 27,516.15 = 14,271.90 : x
  2. Step 2: Convert to fraction form
    19,948.38/27,516.15 = 14,271.90/x
  3. Step 3: Cross multiply
    19,948.38x = 27,516.15 × 14,271.90
  4. Step 4: Simplify right side
    19,948.38x = 392,707,741.19
  5. Step 5: Solve for x
    x = 392,707,741.19/19,948.38
  6. Step 6: Final answer
    x = 19,686.20

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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.