Home / 23,885.48-32,971.15-15,924.80

Finding the Fourth Proportional to 23,885.48, 32,971.15 and 15,924.80

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Solution

The fourth proportional to 23,885.48, 32,971.15 and 15,924.80 is: 21,982.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,885.48 : 32,971.15 = 15,924.80 : x
  2. Step 2: Convert to fraction form
    23,885.48/32,971.15 = 15,924.80/x
  3. Step 3: Cross multiply
    23,885.48x = 32,971.15 × 15,924.80
  4. Step 4: Simplify right side
    23,885.48x = 525,059,071.85
  5. Step 5: Solve for x
    x = 525,059,071.85/23,885.48
  6. Step 6: Final answer
    x = 21,982.35

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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.