Home / 25,386.20-38,076.52-6,668.08

Finding the Fourth Proportional to 25,386.20, 38,076.52 and 6,668.08

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Solution

The fourth proportional to 25,386.20, 38,076.52 and 6,668.08 is: 10,001.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,386.20 : 38,076.52 = 6,668.08 : x
  2. Step 2: Convert to fraction form
    25,386.20/38,076.52 = 6,668.08/x
  3. Step 3: Cross multiply
    25,386.20x = 38,076.52 × 6,668.08
  4. Step 4: Simplify right side
    25,386.20x = 253,897,281.48
  5. Step 5: Solve for x
    x = 253,897,281.48/25,386.20
  6. Step 6: Final answer
    x = 10,001.39

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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.