Home / 42,613.02-63,919.50-11,448.27

Finding the Fourth Proportional to 42,613.02, 63,919.50 and 11,448.27

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Solution

The fourth proportional to 42,613.02, 63,919.50 and 11,448.27 is: 17,172.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,613.02 : 63,919.50 = 11,448.27 : x
  2. Step 2: Convert to fraction form
    42,613.02/63,919.50 = 11,448.27/x
  3. Step 3: Cross multiply
    42,613.02x = 63,919.50 × 11,448.27
  4. Step 4: Simplify right side
    42,613.02x = 731,767,694.27
  5. Step 5: Solve for x
    x = 731,767,694.27/42,613.02
  6. Step 6: Final answer
    x = 17,172.40

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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.