Home / 14,139.60-19,496.52-10,147.92

Finding the Fourth Proportional to 14,139.60, 19,496.52 and 10,147.92

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Solution

The fourth proportional to 14,139.60, 19,496.52 and 10,147.92 is: 13,992.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,139.60 : 19,496.52 = 10,147.92 : x
  2. Step 2: Convert to fraction form
    14,139.60/19,496.52 = 10,147.92/x
  3. Step 3: Cross multiply
    14,139.60x = 19,496.52 × 10,147.92
  4. Step 4: Simplify right side
    14,139.60x = 197,849,125.24
  5. Step 5: Solve for x
    x = 197,849,125.24/14,139.60
  6. Step 6: Final answer
    x = 13,992.55

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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.