Home / 12,993.12-17,916.66-10,472.58

Finding the Fourth Proportional to 12,993.12, 17,916.66 and 10,472.58

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Solution

The fourth proportional to 12,993.12, 17,916.66 and 10,472.58 is: 14,441.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,993.12 : 17,916.66 = 10,472.58 : x
  2. Step 2: Convert to fraction form
    12,993.12/17,916.66 = 10,472.58/x
  3. Step 3: Cross multiply
    12,993.12x = 17,916.66 × 10,472.58
  4. Step 4: Simplify right side
    12,993.12x = 187,633,655.18
  5. Step 5: Solve for x
    x = 187,633,655.18/12,993.12
  6. Step 6: Final answer
    x = 14,441.00

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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.