Home / 16,579.28-22,881.36-9,312.57

Finding the Fourth Proportional to 16,579.28, 22,881.36 and 9,312.57

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Solution

The fourth proportional to 16,579.28, 22,881.36 and 9,312.57 is: 12,852.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,579.28 : 22,881.36 = 9,312.57 : x
  2. Step 2: Convert to fraction form
    16,579.28/22,881.36 = 9,312.57/x
  3. Step 3: Cross multiply
    16,579.28x = 22,881.36 × 9,312.57
  4. Step 4: Simplify right side
    16,579.28x = 213,084,266.70
  5. Step 5: Solve for x
    x = 213,084,266.70/16,579.28
  6. Step 6: Final answer
    x = 12,852.45

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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.