Home / 16,859.22-23,265.72-9,407.22

Finding the Fourth Proportional to 16,859.22, 23,265.72 and 9,407.22

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Solution

The fourth proportional to 16,859.22, 23,265.72 and 9,407.22 is: 12,981.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,859.22 : 23,265.72 = 9,407.22 : x
  2. Step 2: Convert to fraction form
    16,859.22/23,265.72 = 9,407.22/x
  3. Step 3: Cross multiply
    16,859.22x = 23,265.72 × 9,407.22
  4. Step 4: Simplify right side
    16,859.22x = 218,865,746.50
  5. Step 5: Solve for x
    x = 218,865,746.50/16,859.22
  6. Step 6: Final answer
    x = 12,981.96

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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.