Home / 15,856.59-21,882.24-9,567.75

Finding the Fourth Proportional to 15,856.59, 21,882.24 and 9,567.75

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Solution

The fourth proportional to 15,856.59, 21,882.24 and 9,567.75 is: 13,203.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,856.59 : 21,882.24 = 9,567.75 : x
  2. Step 2: Convert to fraction form
    15,856.59/21,882.24 = 9,567.75/x
  3. Step 3: Cross multiply
    15,856.59x = 21,882.24 × 9,567.75
  4. Step 4: Simplify right side
    15,856.59x = 209,363,801.76
  5. Step 5: Solve for x
    x = 209,363,801.76/15,856.59
  6. Step 6: Final answer
    x = 13,203.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.