Home / 25,154.01-34,701.21-19,120.32

Finding the Fourth Proportional to 25,154.01, 34,701.21 and 19,120.32

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Solution

The fourth proportional to 25,154.01, 34,701.21 and 19,120.32 is: 26,377.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,154.01 : 34,701.21 = 19,120.32 : x
  2. Step 2: Convert to fraction form
    25,154.01/34,701.21 = 19,120.32/x
  3. Step 3: Cross multiply
    25,154.01x = 34,701.21 × 19,120.32
  4. Step 4: Simplify right side
    25,154.01x = 663,498,239.59
  5. Step 5: Solve for x
    x = 663,498,239.59/25,154.01
  6. Step 6: Final answer
    x = 26,377.43

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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.