Home / 27,644.08-38,155.02-17,570.56

Finding the Fourth Proportional to 27,644.08, 38,155.02 and 17,570.56

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Solution

The fourth proportional to 27,644.08, 38,155.02 and 17,570.56 is: 24,251.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,644.08 : 38,155.02 = 17,570.56 : x
  2. Step 2: Convert to fraction form
    27,644.08/38,155.02 = 17,570.56/x
  3. Step 3: Cross multiply
    27,644.08x = 38,155.02 × 17,570.56
  4. Step 4: Simplify right side
    27,644.08x = 670,405,068.21
  5. Step 5: Solve for x
    x = 670,405,068.21/27,644.08
  6. Step 6: Final answer
    x = 24,251.31

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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.