Home / 18,426.89-25,429.79-10,470.46

Finding the Fourth Proportional to 18,426.89, 25,429.79 and 10,470.46

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Solution

The fourth proportional to 18,426.89, 25,429.79 and 10,470.46 is: 14,449.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,426.89 : 25,429.79 = 10,470.46 : x
  2. Step 2: Convert to fraction form
    18,426.89/25,429.79 = 10,470.46/x
  3. Step 3: Cross multiply
    18,426.89x = 25,429.79 × 10,470.46
  4. Step 4: Simplify right side
    18,426.89x = 266,261,599.00
  5. Step 5: Solve for x
    x = 266,261,599.00/18,426.89
  6. Step 6: Final answer
    x = 14,449.62

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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.