Home / 15,981.48-22,044.15-10,603.80

Finding the Fourth Proportional to 15,981.48, 22,044.15 and 10,603.80

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Solution

The fourth proportional to 15,981.48, 22,044.15 and 10,603.80 is: 14,626.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,981.48 : 22,044.15 = 10,603.80 : x
  2. Step 2: Convert to fraction form
    15,981.48/22,044.15 = 10,603.80/x
  3. Step 3: Cross multiply
    15,981.48x = 22,044.15 × 10,603.80
  4. Step 4: Simplify right side
    15,981.48x = 233,751,757.77
  5. Step 5: Solve for x
    x = 233,751,757.77/15,981.48
  6. Step 6: Final answer
    x = 14,626.41

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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.