Home / 21,695.12-32,561.40-10,610

Finding the Fourth Proportional to 21,695.12, 32,561.40 and 10,610

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Solution

The fourth proportional to 21,695.12, 32,561.40 and 10,610 is: 15,924.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,695.12 : 32,561.40 = 10,610 : x
  2. Step 2: Convert to fraction form
    21,695.12/32,561.40 = 10,610/x
  3. Step 3: Cross multiply
    21,695.12x = 32,561.40 × 10,610
  4. Step 4: Simplify right side
    21,695.12x = 345,476,454
  5. Step 5: Solve for x
    x = 345,476,454/21,695.12
  6. Step 6: Final answer
    x = 15,924.16

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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.