Home / 16,480.26-22,742.65-9,312.50

Finding the Fourth Proportional to 16,480.26, 22,742.65 and 9,312.50

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Solution

The fourth proportional to 16,480.26, 22,742.65 and 9,312.50 is: 12,851.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,480.26 : 22,742.65 = 9,312.50 : x
  2. Step 2: Convert to fraction form
    16,480.26/22,742.65 = 9,312.50/x
  3. Step 3: Cross multiply
    16,480.26x = 22,742.65 × 9,312.50
  4. Step 4: Simplify right side
    16,480.26x = 211,790,967.33
  5. Step 5: Solve for x
    x = 211,790,967.33/16,480.26
  6. Step 6: Final answer
    x = 12,851.19

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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.