Home / 16,253.96-22,430.40-9,180.26

Finding the Fourth Proportional to 16,253.96, 22,430.40 and 9,180.26

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Solution

The fourth proportional to 16,253.96, 22,430.40 and 9,180.26 is: 12,668.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,253.96 : 22,430.40 = 9,180.26 : x
  2. Step 2: Convert to fraction form
    16,253.96/22,430.40 = 9,180.26/x
  3. Step 3: Cross multiply
    16,253.96x = 22,430.40 × 9,180.26
  4. Step 4: Simplify right side
    16,253.96x = 205,916,903.90
  5. Step 5: Solve for x
    x = 205,916,903.90/16,253.96
  6. Step 6: Final answer
    x = 12,668.72

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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.