Home / 15,098.54-20,837.45-8,725.46

Finding the Fourth Proportional to 15,098.54, 20,837.45 and 8,725.46

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Solution

The fourth proportional to 15,098.54, 20,837.45 and 8,725.46 is: 12,041.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,098.54 : 20,837.45 = 8,725.46 : x
  2. Step 2: Convert to fraction form
    15,098.54/20,837.45 = 8,725.46/x
  3. Step 3: Cross multiply
    15,098.54x = 20,837.45 × 8,725.46
  4. Step 4: Simplify right side
    15,098.54x = 181,816,254.10
  5. Step 5: Solve for x
    x = 181,816,254.10/15,098.54
  6. Step 6: Final answer
    x = 12,041.98

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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.