Home / 15,959.04-23,939.64-5,424.76

Finding the Fourth Proportional to 15,959.04, 23,939.64 and 5,424.76

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Solution

The fourth proportional to 15,959.04, 23,939.64 and 5,424.76 is: 8,137.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,959.04 : 23,939.64 = 5,424.76 : x
  2. Step 2: Convert to fraction form
    15,959.04/23,939.64 = 5,424.76/x
  3. Step 3: Cross multiply
    15,959.04x = 23,939.64 × 5,424.76
  4. Step 4: Simplify right side
    15,959.04x = 129,866,801.49
  5. Step 5: Solve for x
    x = 129,866,801.49/15,959.04
  6. Step 6: Final answer
    x = 8,137.51

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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.