Home / 13,972.40-19,298.42-10,762.92

Finding the Fourth Proportional to 13,972.40, 19,298.42 and 10,762.92

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Solution

The fourth proportional to 13,972.40, 19,298.42 and 10,762.92 is: 14,865.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.40 : 19,298.42 = 10,762.92 : x
  2. Step 2: Convert to fraction form
    13,972.40/19,298.42 = 10,762.92/x
  3. Step 3: Cross multiply
    13,972.40x = 19,298.42 × 10,762.92
  4. Step 4: Simplify right side
    13,972.40x = 207,707,350.59
  5. Step 5: Solve for x
    x = 207,707,350.59/13,972.40
  6. Step 6: Final answer
    x = 14,865.55

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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.