Home / 25,854.36-38,785.56-12,707.76

Finding the Fourth Proportional to 25,854.36, 38,785.56 and 12,707.76

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Solution

The fourth proportional to 25,854.36, 38,785.56 and 12,707.76 is: 19,063.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,854.36 : 38,785.56 = 12,707.76 : x
  2. Step 2: Convert to fraction form
    25,854.36/38,785.56 = 12,707.76/x
  3. Step 3: Cross multiply
    25,854.36x = 38,785.56 × 12,707.76
  4. Step 4: Simplify right side
    25,854.36x = 492,877,587.95
  5. Step 5: Solve for x
    x = 492,877,587.95/25,854.36
  6. Step 6: Final answer
    x = 19,063.62

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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.