Home / 16,587.48-22,891.41-9,515.28

Finding the Fourth Proportional to 16,587.48, 22,891.41 and 9,515.28

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Solution

The fourth proportional to 16,587.48, 22,891.41 and 9,515.28 is: 13,131.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,587.48 : 22,891.41 = 9,515.28 : x
  2. Step 2: Convert to fraction form
    16,587.48/22,891.41 = 9,515.28/x
  3. Step 3: Cross multiply
    16,587.48x = 22,891.41 × 9,515.28
  4. Step 4: Simplify right side
    16,587.48x = 217,818,175.74
  5. Step 5: Solve for x
    x = 217,818,175.74/16,587.48
  6. Step 6: Final answer
    x = 13,131.48

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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.