Home / 16,618.95-22,887.50-16,256.07

Finding the Fourth Proportional to 16,618.95, 22,887.50 and 16,256.07

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Solution

The fourth proportional to 16,618.95, 22,887.50 and 16,256.07 is: 22,387.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,618.95 : 22,887.50 = 16,256.07 : x
  2. Step 2: Convert to fraction form
    16,618.95/22,887.50 = 16,256.07/x
  3. Step 3: Cross multiply
    16,618.95x = 22,887.50 × 16,256.07
  4. Step 4: Simplify right side
    16,618.95x = 372,060,720.84
  5. Step 5: Solve for x
    x = 372,060,720.84/16,618.95
  6. Step 6: Final answer
    x = 22,387.74

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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.