Home / 21,803.24-30,079.14-17,068.52

Finding the Fourth Proportional to 21,803.24, 30,079.14 and 17,068.52

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Solution

The fourth proportional to 21,803.24, 30,079.14 and 17,068.52 is: 23,547.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,803.24 : 30,079.14 = 17,068.52 : x
  2. Step 2: Convert to fraction form
    21,803.24/30,079.14 = 17,068.52/x
  3. Step 3: Cross multiply
    21,803.24x = 30,079.14 × 17,068.52
  4. Step 4: Simplify right side
    21,803.24x = 513,406,402.67
  5. Step 5: Solve for x
    x = 513,406,402.67/21,803.24
  6. Step 6: Final answer
    x = 23,547.25

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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.