Home / 26,423.78-36,480.57-17,478.95

Finding the Fourth Proportional to 26,423.78, 36,480.57 and 17,478.95

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Solution

The fourth proportional to 26,423.78, 36,480.57 and 17,478.95 is: 24,131.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,423.78 : 36,480.57 = 17,478.95 : x
  2. Step 2: Convert to fraction form
    26,423.78/36,480.57 = 17,478.95/x
  3. Step 3: Cross multiply
    26,423.78x = 36,480.57 × 17,478.95
  4. Step 4: Simplify right side
    26,423.78x = 637,642,059.00
  5. Step 5: Solve for x
    x = 637,642,059.00/26,423.78
  6. Step 6: Final answer
    x = 24,131.37

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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.