Home / 25,386.26-38,080.81-7,854.72

Finding the Fourth Proportional to 25,386.26, 38,080.81 and 7,854.72

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Solution

The fourth proportional to 25,386.26, 38,080.81 and 7,854.72 is: 11,782.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,386.26 : 38,080.81 = 7,854.72 : x
  2. Step 2: Convert to fraction form
    25,386.26/38,080.81 = 7,854.72/x
  3. Step 3: Cross multiply
    25,386.26x = 38,080.81 × 7,854.72
  4. Step 4: Simplify right side
    25,386.26x = 299,114,060.65
  5. Step 5: Solve for x
    x = 299,114,060.65/25,386.26
  6. Step 6: Final answer
    x = 11,782.52

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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.