Home / 14,109.28-19,470.78-8,444.27

Finding the Fourth Proportional to 14,109.28, 19,470.78 and 8,444.27

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Solution

The fourth proportional to 14,109.28, 19,470.78 and 8,444.27 is: 11,653.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,109.28 : 19,470.78 = 8,444.27 : x
  2. Step 2: Convert to fraction form
    14,109.28/19,470.78 = 8,444.27/x
  3. Step 3: Cross multiply
    14,109.28x = 19,470.78 × 8,444.27
  4. Step 4: Simplify right side
    14,109.28x = 164,416,572.11
  5. Step 5: Solve for x
    x = 164,416,572.11/14,109.28
  6. Step 6: Final answer
    x = 11,653.08

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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.