Home / 18,445.86-27,688.02-16,350.80

Finding the Fourth Proportional to 18,445.86, 27,688.02 and 16,350.80

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Solution

The fourth proportional to 18,445.86, 27,688.02 and 16,350.80 is: 24,543.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,445.86 : 27,688.02 = 16,350.80 : x
  2. Step 2: Convert to fraction form
    18,445.86/27,688.02 = 16,350.80/x
  3. Step 3: Cross multiply
    18,445.86x = 27,688.02 × 16,350.80
  4. Step 4: Simplify right side
    18,445.86x = 452,721,077.66
  5. Step 5: Solve for x
    x = 452,721,077.66/18,445.86
  6. Step 6: Final answer
    x = 24,543.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.