Home / 15,999.88-22,065.48-10,032.20

Finding the Fourth Proportional to 15,999.88, 22,065.48 and 10,032.20

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Solution

The fourth proportional to 15,999.88, 22,065.48 and 10,032.20 is: 13,835.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,999.88 : 22,065.48 = 10,032.20 : x
  2. Step 2: Convert to fraction form
    15,999.88/22,065.48 = 10,032.20/x
  3. Step 3: Cross multiply
    15,999.88x = 22,065.48 × 10,032.20
  4. Step 4: Simplify right side
    15,999.88x = 221,365,308.46
  5. Step 5: Solve for x
    x = 221,365,308.46/15,999.88
  6. Step 6: Final answer
    x = 13,835.44

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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.