Home / 15,667.02-21,620.93-8,593.90

Finding the Fourth Proportional to 15,667.02, 21,620.93 and 8,593.90

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Solution

The fourth proportional to 15,667.02, 21,620.93 and 8,593.90 is: 11,859.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,667.02 : 21,620.93 = 8,593.90 : x
  2. Step 2: Convert to fraction form
    15,667.02/21,620.93 = 8,593.90/x
  3. Step 3: Cross multiply
    15,667.02x = 21,620.93 × 8,593.90
  4. Step 4: Simplify right side
    15,667.02x = 185,808,013.31
  5. Step 5: Solve for x
    x = 185,808,013.31/15,667.02
  6. Step 6: Final answer
    x = 11,859.82

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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.