Home / 14,308.28-19,744.62-8,340.92

Finding the Fourth Proportional to 14,308.28, 19,744.62 and 8,340.92

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Solution

The fourth proportional to 14,308.28, 19,744.62 and 8,340.92 is: 11,510.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,308.28 : 19,744.62 = 8,340.92 : x
  2. Step 2: Convert to fraction form
    14,308.28/19,744.62 = 8,340.92/x
  3. Step 3: Cross multiply
    14,308.28x = 19,744.62 × 8,340.92
  4. Step 4: Simplify right side
    14,308.28x = 164,688,295.85
  5. Step 5: Solve for x
    x = 164,688,295.85/14,308.28
  6. Step 6: Final answer
    x = 11,510.00

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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.