Home / 25,445.62-35,089.95-19,411.30

Finding the Fourth Proportional to 25,445.62, 35,089.95 and 19,411.30

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Solution

The fourth proportional to 25,445.62, 35,089.95 and 19,411.30 is: 26,768.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,445.62 : 35,089.95 = 19,411.30 : x
  2. Step 2: Convert to fraction form
    25,445.62/35,089.95 = 19,411.30/x
  3. Step 3: Cross multiply
    25,445.62x = 35,089.95 × 19,411.30
  4. Step 4: Simplify right side
    25,445.62x = 681,141,546.44
  5. Step 5: Solve for x
    x = 681,141,546.44/25,445.62
  6. Step 6: Final answer
    x = 26,768.52

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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.