Home / 14,048.28-19,386.90-7,760.92

Finding the Fourth Proportional to 14,048.28, 19,386.90 and 7,760.92

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Solution

The fourth proportional to 14,048.28, 19,386.90 and 7,760.92 is: 10,710.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,048.28 : 19,386.90 = 7,760.92 : x
  2. Step 2: Convert to fraction form
    14,048.28/19,386.90 = 7,760.92/x
  3. Step 3: Cross multiply
    14,048.28x = 19,386.90 × 7,760.92
  4. Step 4: Simplify right side
    14,048.28x = 150,460,179.95
  5. Step 5: Solve for x
    x = 150,460,179.95/14,048.28
  6. Step 6: Final answer
    x = 10,710.22

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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.