Home / 25,077.78-34,583.49-19,098.90

Finding the Fourth Proportional to 25,077.78, 34,583.49 and 19,098.90

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Solution

The fourth proportional to 25,077.78, 34,583.49 and 19,098.90 is: 26,338.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,077.78 : 34,583.49 = 19,098.90 : x
  2. Step 2: Convert to fraction form
    25,077.78/34,583.49 = 19,098.90/x
  3. Step 3: Cross multiply
    25,077.78x = 34,583.49 × 19,098.90
  4. Step 4: Simplify right side
    25,077.78x = 660,506,617.16
  5. Step 5: Solve for x
    x = 660,506,617.16/25,077.78
  6. Step 6: Final answer
    x = 26,338.32

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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.