Home / 21,666.06-29,870.24-17,204.58

Finding the Fourth Proportional to 21,666.06, 29,870.24 and 17,204.58

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Solution

The fourth proportional to 21,666.06, 29,870.24 and 17,204.58 is: 23,719.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,666.06 : 29,870.24 = 17,204.58 : x
  2. Step 2: Convert to fraction form
    21,666.06/29,870.24 = 17,204.58/x
  3. Step 3: Cross multiply
    21,666.06x = 29,870.24 × 17,204.58
  4. Step 4: Simplify right side
    21,666.06x = 513,904,827.36
  5. Step 5: Solve for x
    x = 513,904,827.36/21,666.06
  6. Step 6: Final answer
    x = 23,719.35

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1.5x scale

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.