Home / 15,959.02-22,020.24-9,667.75

Finding the Fourth Proportional to 15,959.02, 22,020.24 and 9,667.75

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Solution

The fourth proportional to 15,959.02, 22,020.24 and 9,667.75 is: 13,339.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,959.02 : 22,020.24 = 9,667.75 : x
  2. Step 2: Convert to fraction form
    15,959.02/22,020.24 = 9,667.75/x
  3. Step 3: Cross multiply
    15,959.02x = 22,020.24 × 9,667.75
  4. Step 4: Simplify right side
    15,959.02x = 212,886,175.26
  5. Step 5: Solve for x
    x = 212,886,175.26/15,959.02
  6. Step 6: Final answer
    x = 13,339.55

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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.