Home / 49,956.10-74,934.15-13,020.10

Finding the Fourth Proportional to 49,956.10, 74,934.15 and 13,020.10

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Solution

The fourth proportional to 49,956.10, 74,934.15 and 13,020.10 is: 19,530.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,956.10 : 74,934.15 = 13,020.10 : x
  2. Step 2: Convert to fraction form
    49,956.10/74,934.15 = 13,020.10/x
  3. Step 3: Cross multiply
    49,956.10x = 74,934.15 × 13,020.10
  4. Step 4: Simplify right side
    49,956.10x = 975,650,126.42
  5. Step 5: Solve for x
    x = 975,650,126.42/49,956.10
  6. Step 6: Final answer
    x = 19,530.15

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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.