Home / 22,981.24-31,686.36-17,878.24

Finding the Fourth Proportional to 22,981.24, 31,686.36 and 17,878.24

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Solution

The fourth proportional to 22,981.24, 31,686.36 and 17,878.24 is: 24,650.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,981.24 : 31,686.36 = 17,878.24 : x
  2. Step 2: Convert to fraction form
    22,981.24/31,686.36 = 17,878.24/x
  3. Step 3: Cross multiply
    22,981.24x = 31,686.36 × 17,878.24
  4. Step 4: Simplify right side
    22,981.24x = 566,496,348.81
  5. Step 5: Solve for x
    x = 566,496,348.81/22,981.24
  6. Step 6: Final answer
    x = 24,650.38

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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.