Home / 26,501.76-36,567.36-18,115.20

Finding the Fourth Proportional to 26,501.76, 36,567.36 and 18,115.20

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Solution

The fourth proportional to 26,501.76, 36,567.36 and 18,115.20 is: 24,995.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,501.76 : 36,567.36 = 18,115.20 : x
  2. Step 2: Convert to fraction form
    26,501.76/36,567.36 = 18,115.20/x
  3. Step 3: Cross multiply
    26,501.76x = 36,567.36 × 18,115.20
  4. Step 4: Simplify right side
    26,501.76x = 662,425,039.87
  5. Step 5: Solve for x
    x = 662,425,039.87/26,501.76
  6. Step 6: Final answer
    x = 24,995.51

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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.