Home / 25,574.74-38,378.61-10,783.74

Finding the Fourth Proportional to 25,574.74, 38,378.61 and 10,783.74

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Solution

The fourth proportional to 25,574.74, 38,378.61 and 10,783.74 is: 16,182.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,574.74 : 38,378.61 = 10,783.74 : x
  2. Step 2: Convert to fraction form
    25,574.74/38,378.61 = 10,783.74/x
  3. Step 3: Cross multiply
    25,574.74x = 38,378.61 × 10,783.74
  4. Step 4: Simplify right side
    25,574.74x = 413,864,951.80
  5. Step 5: Solve for x
    x = 413,864,951.80/25,574.74
  6. Step 6: Final answer
    x = 16,182.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.