Home / 15,071.95-22,605.99-3,979.47

Finding the Fourth Proportional to 15,071.95, 22,605.99 and 3,979.47

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Solution

The fourth proportional to 15,071.95, 22,605.99 and 3,979.47 is: 5,968.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,071.95 : 22,605.99 = 3,979.47 : x
  2. Step 2: Convert to fraction form
    15,071.95/22,605.99 = 3,979.47/x
  3. Step 3: Cross multiply
    15,071.95x = 22,605.99 × 3,979.47
  4. Step 4: Simplify right side
    15,071.95x = 89,959,928.87
  5. Step 5: Solve for x
    x = 89,959,928.87/15,071.95
  6. Step 6: Final answer
    x = 5,968.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.