Home / 26,486.96-36,543.08-15,000.30

Finding the Fourth Proportional to 26,486.96, 36,543.08 and 15,000.30

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Solution

The fourth proportional to 26,486.96, 36,543.08 and 15,000.30 is: 20,695.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,486.96 : 36,543.08 = 15,000.30 : x
  2. Step 2: Convert to fraction form
    26,486.96/36,543.08 = 15,000.30/x
  3. Step 3: Cross multiply
    26,486.96x = 36,543.08 × 15,000.30
  4. Step 4: Simplify right side
    26,486.96x = 548,157,200.42
  5. Step 5: Solve for x
    x = 548,157,200.42/26,486.96
  6. Step 6: Final answer
    x = 20,695.36

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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.