Home / 15,970.47-23,959.19-4,878.02

Finding the Fourth Proportional to 15,970.47, 23,959.19 and 4,878.02

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Solution

The fourth proportional to 15,970.47, 23,959.19 and 4,878.02 is: 7,318.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,970.47 : 23,959.19 = 4,878.02 : x
  2. Step 2: Convert to fraction form
    15,970.47/23,959.19 = 4,878.02/x
  3. Step 3: Cross multiply
    15,970.47x = 23,959.19 × 4,878.02
  4. Step 4: Simplify right side
    15,970.47x = 116,873,480.10
  5. Step 5: Solve for x
    x = 116,873,480.10/15,970.47
  6. Step 6: Final answer
    x = 7,318.10

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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.