Home / 26,490.17-36,558.48-15,163.21

Finding the Fourth Proportional to 26,490.17, 36,558.48 and 15,163.21

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Solution

The fourth proportional to 26,490.17, 36,558.48 and 15,163.21 is: 20,926.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,490.17 : 36,558.48 = 15,163.21 : x
  2. Step 2: Convert to fraction form
    26,490.17/36,558.48 = 15,163.21/x
  3. Step 3: Cross multiply
    26,490.17x = 36,558.48 × 15,163.21
  4. Step 4: Simplify right side
    26,490.17x = 554,343,909.52
  5. Step 5: Solve for x
    x = 554,343,909.52/26,490.17
  6. Step 6: Final answer
    x = 20,926.40

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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.