Home / 42,602.18-63,902.91-11,009.53

Finding the Fourth Proportional to 42,602.18, 63,902.91 and 11,009.53

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Solution

The fourth proportional to 42,602.18, 63,902.91 and 11,009.53 is: 16,514.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,602.18 : 63,902.91 = 11,009.53 : x
  2. Step 2: Convert to fraction form
    42,602.18/63,902.91 = 11,009.53/x
  3. Step 3: Cross multiply
    42,602.18x = 63,902.91 × 11,009.53
  4. Step 4: Simplify right side
    42,602.18x = 703,540,685.22
  5. Step 5: Solve for x
    x = 703,540,685.22/42,602.18
  6. Step 6: Final answer
    x = 16,514.19

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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.