Home / 25,143.03-34,686.77-15,068.25

Finding the Fourth Proportional to 25,143.03, 34,686.77 and 15,068.25

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Solution

The fourth proportional to 25,143.03, 34,686.77 and 15,068.25 is: 20,787.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,143.03 : 34,686.77 = 15,068.25 : x
  2. Step 2: Convert to fraction form
    25,143.03/34,686.77 = 15,068.25/x
  3. Step 3: Cross multiply
    25,143.03x = 34,686.77 × 15,068.25
  4. Step 4: Simplify right side
    25,143.03x = 522,668,846.71
  5. Step 5: Solve for x
    x = 522,668,846.71/25,143.03
  6. Step 6: Final answer
    x = 20,787.82

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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.