Home / 23,073.48-31,824.36-15,905.76

Finding the Fourth Proportional to 23,073.48, 31,824.36 and 15,905.76

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Solution

The fourth proportional to 23,073.48, 31,824.36 and 15,905.76 is: 21,938.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,073.48 : 31,824.36 = 15,905.76 : x
  2. Step 2: Convert to fraction form
    23,073.48/31,824.36 = 15,905.76/x
  3. Step 3: Cross multiply
    23,073.48x = 31,824.36 × 15,905.76
  4. Step 4: Simplify right side
    23,073.48x = 506,190,632.31
  5. Step 5: Solve for x
    x = 506,190,632.31/23,073.48
  6. Step 6: Final answer
    x = 21,938.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.