Home / 16,128.11-22,255.56-9,053.17

Finding the Fourth Proportional to 16,128.11, 22,255.56 and 9,053.17

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Solution

The fourth proportional to 16,128.11, 22,255.56 and 9,053.17 is: 12,492.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128.11 : 22,255.56 = 9,053.17 : x
  2. Step 2: Convert to fraction form
    16,128.11/22,255.56 = 9,053.17/x
  3. Step 3: Cross multiply
    16,128.11x = 22,255.56 × 9,053.17
  4. Step 4: Simplify right side
    16,128.11x = 201,483,312.49
  5. Step 5: Solve for x
    x = 201,483,312.49/16,128.11
  6. Step 6: Final answer
    x = 12,492.68

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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.