Home / 16,897.15-23,319.75-9,344.05

Finding the Fourth Proportional to 16,897.15, 23,319.75 and 9,344.05

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Solution

The fourth proportional to 16,897.15, 23,319.75 and 9,344.05 is: 12,895.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,897.15 : 23,319.75 = 9,344.05 : x
  2. Step 2: Convert to fraction form
    16,897.15/23,319.75 = 9,344.05/x
  3. Step 3: Cross multiply
    16,897.15x = 23,319.75 × 9,344.05
  4. Step 4: Simplify right side
    16,897.15x = 217,900,909.99
  5. Step 5: Solve for x
    x = 217,900,909.99/16,897.15
  6. Step 6: Final answer
    x = 12,895.72

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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.