Home / 15,947.56-22,005.29-9,572.80

Finding the Fourth Proportional to 15,947.56, 22,005.29 and 9,572.80

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Solution

The fourth proportional to 15,947.56, 22,005.29 and 9,572.80 is: 13,209.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,947.56 : 22,005.29 = 9,572.80 : x
  2. Step 2: Convert to fraction form
    15,947.56/22,005.29 = 9,572.80/x
  3. Step 3: Cross multiply
    15,947.56x = 22,005.29 × 9,572.80
  4. Step 4: Simplify right side
    15,947.56x = 210,652,082.22
  5. Step 5: Solve for x
    x = 210,652,082.22/15,947.56
  6. Step 6: Final answer
    x = 13,209.05

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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.