Home / 15,927.98-21,981.12-9,552.38

Finding the Fourth Proportional to 15,927.98, 21,981.12 and 9,552.38

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Solution

The fourth proportional to 15,927.98, 21,981.12 and 9,552.38 is: 13,182.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,927.98 : 21,981.12 = 9,552.38 : x
  2. Step 2: Convert to fraction form
    15,927.98/21,981.12 = 9,552.38/x
  3. Step 3: Cross multiply
    15,927.98x = 21,981.12 × 9,552.38
  4. Step 4: Simplify right side
    15,927.98x = 209,972,011.07
  5. Step 5: Solve for x
    x = 209,972,011.07/15,927.98
  6. Step 6: Final answer
    x = 13,182.59

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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.