Home / 16,818.15-23,191.45-12,562.54

Finding the Fourth Proportional to 16,818.15, 23,191.45 and 12,562.54

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Solution

The fourth proportional to 16,818.15, 23,191.45 and 12,562.54 is: 17,323.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,818.15 : 23,191.45 = 12,562.54 : x
  2. Step 2: Convert to fraction form
    16,818.15/23,191.45 = 12,562.54/x
  3. Step 3: Cross multiply
    16,818.15x = 23,191.45 × 12,562.54
  4. Step 4: Simplify right side
    16,818.15x = 291,343,518.28
  5. Step 5: Solve for x
    x = 291,343,518.28/16,818.15
  6. Step 6: Final answer
    x = 17,323.16

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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.