Home / 19,387.66-29,084.28-6,235.66

Finding the Fourth Proportional to 19,387.66, 29,084.28 and 6,235.66

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Solution

The fourth proportional to 19,387.66, 29,084.28 and 6,235.66 is: 9,354.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,387.66 : 29,084.28 = 6,235.66 : x
  2. Step 2: Convert to fraction form
    19,387.66/29,084.28 = 6,235.66/x
  3. Step 3: Cross multiply
    19,387.66x = 29,084.28 × 6,235.66
  4. Step 4: Simplify right side
    19,387.66x = 181,359,681.42
  5. Step 5: Solve for x
    x = 181,359,681.42/19,387.66
  6. Step 6: Final answer
    x = 9,354.39

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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.