Home / 22,717.32-31,341.20-16,763.20

Finding the Fourth Proportional to 22,717.32, 31,341.20 and 16,763.20

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Solution

The fourth proportional to 22,717.32, 31,341.20 and 16,763.20 is: 23,126.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,717.32 : 31,341.20 = 16,763.20 : x
  2. Step 2: Convert to fraction form
    22,717.32/31,341.20 = 16,763.20/x
  3. Step 3: Cross multiply
    22,717.32x = 31,341.20 × 16,763.20
  4. Step 4: Simplify right side
    22,717.32x = 525,378,803.84
  5. Step 5: Solve for x
    x = 525,378,803.84/22,717.32
  6. Step 6: Final answer
    x = 23,126.80

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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.