Home / 14,097.20-19,454.78-7,809.17

Finding the Fourth Proportional to 14,097.20, 19,454.78 and 7,809.17

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Solution

The fourth proportional to 14,097.20, 19,454.78 and 7,809.17 is: 10,777.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,097.20 : 19,454.78 = 7,809.17 : x
  2. Step 2: Convert to fraction form
    14,097.20/19,454.78 = 7,809.17/x
  3. Step 3: Cross multiply
    14,097.20x = 19,454.78 × 7,809.17
  4. Step 4: Simplify right side
    14,097.20x = 151,925,693.92
  5. Step 5: Solve for x
    x = 151,925,693.92/14,097.20
  6. Step 6: Final answer
    x = 10,777.01

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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.