Home / 15,669.24-21,627.18-10,070.52

Finding the Fourth Proportional to 15,669.24, 21,627.18 and 10,070.52

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Solution

The fourth proportional to 15,669.24, 21,627.18 and 10,070.52 is: 13,899.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,669.24 : 21,627.18 = 10,070.52 : x
  2. Step 2: Convert to fraction form
    15,669.24/21,627.18 = 10,070.52/x
  3. Step 3: Cross multiply
    15,669.24x = 21,627.18 × 10,070.52
  4. Step 4: Simplify right side
    15,669.24x = 217,796,948.73
  5. Step 5: Solve for x
    x = 217,796,948.73/15,669.24
  6. Step 6: Final answer
    x = 13,899.65

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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.