Home / 16,434.95-22,680.24-8,881.28

Finding the Fourth Proportional to 16,434.95, 22,680.24 and 8,881.28

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Solution

The fourth proportional to 16,434.95, 22,680.24 and 8,881.28 is: 12,256.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,434.95 : 22,680.24 = 8,881.28 : x
  2. Step 2: Convert to fraction form
    16,434.95/22,680.24 = 8,881.28/x
  3. Step 3: Cross multiply
    16,434.95x = 22,680.24 × 8,881.28
  4. Step 4: Simplify right side
    16,434.95x = 201,429,532.15
  5. Step 5: Solve for x
    x = 201,429,532.15/16,434.95
  6. Step 6: Final answer
    x = 12,256.17

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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.