Home / 15,889.92-23,838.30-5,360.20

Finding the Fourth Proportional to 15,889.92, 23,838.30 and 5,360.20

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Solution

The fourth proportional to 15,889.92, 23,838.30 and 5,360.20 is: 8,041.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,889.92 : 23,838.30 = 5,360.20 : x
  2. Step 2: Convert to fraction form
    15,889.92/23,838.30 = 5,360.20/x
  3. Step 3: Cross multiply
    15,889.92x = 23,838.30 × 5,360.20
  4. Step 4: Simplify right side
    15,889.92x = 127,778,063.11
  5. Step 5: Solve for x
    x = 127,778,063.11/15,889.92
  6. Step 6: Final answer
    x = 8,041.45

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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.