Home / 18,854.16-28,293.15-10,539.63

Finding the Fourth Proportional to 18,854.16, 28,293.15 and 10,539.63

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Solution

The fourth proportional to 18,854.16, 28,293.15 and 10,539.63 is: 15,816.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,854.16 : 28,293.15 = 10,539.63 : x
  2. Step 2: Convert to fraction form
    18,854.16/28,293.15 = 10,539.63/x
  3. Step 3: Cross multiply
    18,854.16x = 28,293.15 × 10,539.63
  4. Step 4: Simplify right side
    18,854.16x = 298,199,186.91
  5. Step 5: Solve for x
    x = 298,199,186.91/18,854.16
  6. Step 6: Final answer
    x = 15,816.10

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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.