Home / 26,282.88-36,264.96-15,102.72

Finding the Fourth Proportional to 26,282.88, 36,264.96 and 15,102.72

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Solution

The fourth proportional to 26,282.88, 36,264.96 and 15,102.72 is: 20,838.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,282.88 : 36,264.96 = 15,102.72 : x
  2. Step 2: Convert to fraction form
    26,282.88/36,264.96 = 15,102.72/x
  3. Step 3: Cross multiply
    26,282.88x = 36,264.96 × 15,102.72
  4. Step 4: Simplify right side
    26,282.88x = 547,699,536.69
  5. Step 5: Solve for x
    x = 547,699,536.69/26,282.88
  6. Step 6: Final answer
    x = 20,838.64

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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.