Home / 21,713.81-32,521.49-17,004.47

Finding the Fourth Proportional to 21,713.81, 32,521.49 and 17,004.47

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Solution

The fourth proportional to 21,713.81, 32,521.49 and 17,004.47 is: 25,468.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,713.81 : 32,521.49 = 17,004.47 : x
  2. Step 2: Convert to fraction form
    21,713.81/32,521.49 = 17,004.47/x
  3. Step 3: Cross multiply
    21,713.81x = 32,521.49 × 17,004.47
  4. Step 4: Simplify right side
    21,713.81x = 553,010,701.06
  5. Step 5: Solve for x
    x = 553,010,701.06/21,713.81
  6. Step 6: Final answer
    x = 25,468.16

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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.