Home / 14,235.77-19,645.47-7,862.18

Finding the Fourth Proportional to 14,235.77, 19,645.47 and 7,862.18

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Solution

The fourth proportional to 14,235.77, 19,645.47 and 7,862.18 is: 10,849.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,235.77 : 19,645.47 = 7,862.18 : x
  2. Step 2: Convert to fraction form
    14,235.77/19,645.47 = 7,862.18/x
  3. Step 3: Cross multiply
    14,235.77x = 19,645.47 × 7,862.18
  4. Step 4: Simplify right side
    14,235.77x = 154,456,233.60
  5. Step 5: Solve for x
    x = 154,456,233.60/14,235.77
  6. Step 6: Final answer
    x = 10,849.87

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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.