Home / 15,981.74-23,972.66-4,888.38

Finding the Fourth Proportional to 15,981.74, 23,972.66 and 4,888.38

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Solution

The fourth proportional to 15,981.74, 23,972.66 and 4,888.38 is: 7,332.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,981.74 : 23,972.66 = 4,888.38 : x
  2. Step 2: Convert to fraction form
    15,981.74/23,972.66 = 4,888.38/x
  3. Step 3: Cross multiply
    15,981.74x = 23,972.66 × 4,888.38
  4. Step 4: Simplify right side
    15,981.74x = 117,187,471.69
  5. Step 5: Solve for x
    x = 117,187,471.69/15,981.74
  6. Step 6: Final answer
    x = 7,332.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.