Home / 16,515.72-22,786.11-9,437.13

Finding the Fourth Proportional to 16,515.72, 22,786.11 and 9,437.13

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Solution

The fourth proportional to 16,515.72, 22,786.11 and 9,437.13 is: 13,020.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,515.72 : 22,786.11 = 9,437.13 : x
  2. Step 2: Convert to fraction form
    16,515.72/22,786.11 = 9,437.13/x
  3. Step 3: Cross multiply
    16,515.72x = 22,786.11 × 9,437.13
  4. Step 4: Simplify right side
    16,515.72x = 215,035,482.26
  5. Step 5: Solve for x
    x = 215,035,482.26/16,515.72
  6. Step 6: Final answer
    x = 13,020.05

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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.