Home / 17,685.90-26,484.48-10,565.75

Finding the Fourth Proportional to 17,685.90, 26,484.48 and 10,565.75

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Solution

The fourth proportional to 17,685.90, 26,484.48 and 10,565.75 is: 15,822.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,685.90 : 26,484.48 = 10,565.75 : x
  2. Step 2: Convert to fraction form
    17,685.90/26,484.48 = 10,565.75/x
  3. Step 3: Cross multiply
    17,685.90x = 26,484.48 × 10,565.75
  4. Step 4: Simplify right side
    17,685.90x = 279,828,301.76
  5. Step 5: Solve for x
    x = 279,828,301.76/17,685.90
  6. Step 6: Final answer
    x = 15,822.12

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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.