Home / 19,572.76-29,358.08-6,423.40

Finding the Fourth Proportional to 19,572.76, 29,358.08 and 6,423.40

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Solution

The fourth proportional to 19,572.76, 29,358.08 and 6,423.40 is: 9,634.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,572.76 : 29,358.08 = 6,423.40 : x
  2. Step 2: Convert to fraction form
    19,572.76/29,358.08 = 6,423.40/x
  3. Step 3: Cross multiply
    19,572.76x = 29,358.08 × 6,423.40
  4. Step 4: Simplify right side
    19,572.76x = 188,578,691.07
  5. Step 5: Solve for x
    x = 188,578,691.07/19,572.76
  6. Step 6: Final answer
    x = 9,634.75

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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.