Home / 15,987.95-22,063.39-9,274.10

Finding the Fourth Proportional to 15,987.95, 22,063.39 and 9,274.10

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Solution

The fourth proportional to 15,987.95, 22,063.39 and 9,274.10 is: 12,798.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,987.95 : 22,063.39 = 9,274.10 : x
  2. Step 2: Convert to fraction form
    15,987.95/22,063.39 = 9,274.10/x
  3. Step 3: Cross multiply
    15,987.95x = 22,063.39 × 9,274.10
  4. Step 4: Simplify right side
    15,987.95x = 204,617,951.70
  5. Step 5: Solve for x
    x = 204,617,951.70/15,987.95
  6. Step 6: Final answer
    x = 12,798.26

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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.