Home / 15,958.98-22,024.08-8,885.22

Finding the Fourth Proportional to 15,958.98, 22,024.08 and 8,885.22

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Solution

The fourth proportional to 15,958.98, 22,024.08 and 8,885.22 is: 12,261.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,958.98 : 22,024.08 = 8,885.22 : x
  2. Step 2: Convert to fraction form
    15,958.98/22,024.08 = 8,885.22/x
  3. Step 3: Cross multiply
    15,958.98x = 22,024.08 × 8,885.22
  4. Step 4: Simplify right side
    15,958.98x = 195,688,796.10
  5. Step 5: Solve for x
    x = 195,688,796.10/15,958.98
  6. Step 6: Final answer
    x = 12,261.99

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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.