Home / 19,715.28-29,577.60-6,567.76

Finding the Fourth Proportional to 19,715.28, 29,577.60 and 6,567.76

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Solution

The fourth proportional to 19,715.28, 29,577.60 and 6,567.76 is: 9,853.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,715.28 : 29,577.60 = 6,567.76 : x
  2. Step 2: Convert to fraction form
    19,715.28/29,577.60 = 6,567.76/x
  3. Step 3: Cross multiply
    19,715.28x = 29,577.60 × 6,567.76
  4. Step 4: Simplify right side
    19,715.28x = 194,258,578.18
  5. Step 5: Solve for x
    x = 194,258,578.18/19,715.28
  6. Step 6: Final answer
    x = 9,853.20

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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.