Home / 16,570.47-22,836.83-15,518.28

Finding the Fourth Proportional to 16,570.47, 22,836.83 and 15,518.28

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Solution

The fourth proportional to 16,570.47, 22,836.83 and 15,518.28 is: 21,386.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,570.47 : 22,836.83 = 15,518.28 : x
  2. Step 2: Convert to fraction form
    16,570.47/22,836.83 = 15,518.28/x
  3. Step 3: Cross multiply
    16,570.47x = 22,836.83 × 15,518.28
  4. Step 4: Simplify right side
    16,570.47x = 354,388,244.66
  5. Step 5: Solve for x
    x = 354,388,244.66/16,570.47
  6. Step 6: Final answer
    x = 21,386.73

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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.