Home / 25,025.16-34,495.02-19,711.56

Finding the Fourth Proportional to 25,025.16, 34,495.02 and 19,711.56

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Solution

The fourth proportional to 25,025.16, 34,495.02 and 19,711.56 is: 27,170.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,025.16 : 34,495.02 = 19,711.56 : x
  2. Step 2: Convert to fraction form
    25,025.16/34,495.02 = 19,711.56/x
  3. Step 3: Cross multiply
    25,025.16x = 34,495.02 × 19,711.56
  4. Step 4: Simplify right side
    25,025.16x = 679,950,656.43
  5. Step 5: Solve for x
    x = 679,950,656.43/25,025.16
  6. Step 6: Final answer
    x = 27,170.68

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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.