Home / 25,118.80-34,626.93-19,140.10

Finding the Fourth Proportional to 25,118.80, 34,626.93 and 19,140.10

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Solution

The fourth proportional to 25,118.80, 34,626.93 and 19,140.10 is: 26,385.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,118.80 : 34,626.93 = 19,140.10 : x
  2. Step 2: Convert to fraction form
    25,118.80/34,626.93 = 19,140.10/x
  3. Step 3: Cross multiply
    25,118.80x = 34,626.93 × 19,140.10
  4. Step 4: Simplify right side
    25,118.80x = 662,762,902.89
  5. Step 5: Solve for x
    x = 662,762,902.89/25,118.80
  6. Step 6: Final answer
    x = 26,385.13

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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.