Home / 26,090.76-35,988.86-15,472.88

Finding the Fourth Proportional to 26,090.76, 35,988.86 and 15,472.88

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Solution

The fourth proportional to 26,090.76, 35,988.86 and 15,472.88 is: 21,342.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,090.76 : 35,988.86 = 15,472.88 : x
  2. Step 2: Convert to fraction form
    26,090.76/35,988.86 = 15,472.88/x
  3. Step 3: Cross multiply
    26,090.76x = 35,988.86 × 15,472.88
  4. Step 4: Simplify right side
    26,090.76x = 556,851,170.85
  5. Step 5: Solve for x
    x = 556,851,170.85/26,090.76
  6. Step 6: Final answer
    x = 21,342.85

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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.