Home / 22,558.02-31,122.91-13,124.76

Finding the Fourth Proportional to 22,558.02, 31,122.91 and 13,124.76

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Solution

The fourth proportional to 22,558.02, 31,122.91 and 13,124.76 is: 18,108.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,558.02 : 31,122.91 = 13,124.76 : x
  2. Step 2: Convert to fraction form
    22,558.02/31,122.91 = 13,124.76/x
  3. Step 3: Cross multiply
    22,558.02x = 31,122.91 × 13,124.76
  4. Step 4: Simplify right side
    22,558.02x = 408,480,724.25
  5. Step 5: Solve for x
    x = 408,480,724.25/22,558.02
  6. Step 6: Final answer
    x = 18,108.00

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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.