Home / 15,865.28-23,798.34-5,335.70

Finding the Fourth Proportional to 15,865.28, 23,798.34 and 5,335.70

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Solution

The fourth proportional to 15,865.28, 23,798.34 and 5,335.70 is: 8,003.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,865.28 : 23,798.34 = 5,335.70 : x
  2. Step 2: Convert to fraction form
    15,865.28/23,798.34 = 5,335.70/x
  3. Step 3: Cross multiply
    15,865.28x = 23,798.34 × 5,335.70
  4. Step 4: Simplify right side
    15,865.28x = 126,980,802.74
  5. Step 5: Solve for x
    x = 126,980,802.74/15,865.28
  6. Step 6: Final answer
    x = 8,003.69

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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.