Home / 16,316.08-22,515.72-9,243.12

Finding the Fourth Proportional to 16,316.08, 22,515.72 and 9,243.12

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Solution

The fourth proportional to 16,316.08, 22,515.72 and 9,243.12 is: 12,755.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,316.08 : 22,515.72 = 9,243.12 : x
  2. Step 2: Convert to fraction form
    16,316.08/22,515.72 = 9,243.12/x
  3. Step 3: Cross multiply
    16,316.08x = 22,515.72 × 9,243.12
  4. Step 4: Simplify right side
    16,316.08x = 208,115,501.85
  5. Step 5: Solve for x
    x = 208,115,501.85/16,316.08
  6. Step 6: Final answer
    x = 12,755.24

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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.