Home / 16,711.22-23,061.47-9,158.02

Finding the Fourth Proportional to 16,711.22, 23,061.47 and 9,158.02

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Solution

The fourth proportional to 16,711.22, 23,061.47 and 9,158.02 is: 12,638.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,711.22 : 23,061.47 = 9,158.02 : x
  2. Step 2: Convert to fraction form
    16,711.22/23,061.47 = 9,158.02/x
  3. Step 3: Cross multiply
    16,711.22x = 23,061.47 × 9,158.02
  4. Step 4: Simplify right side
    16,711.22x = 211,197,403.49
  5. Step 5: Solve for x
    x = 211,197,403.49/16,711.22
  6. Step 6: Final answer
    x = 12,638.06

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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.