Home / 25,053.36-34,585.56-15,635.76

Finding the Fourth Proportional to 25,053.36, 34,585.56 and 15,635.76

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Solution

The fourth proportional to 25,053.36, 34,585.56 and 15,635.76 is: 21,584.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,053.36 : 34,585.56 = 15,635.76 : x
  2. Step 2: Convert to fraction form
    25,053.36/34,585.56 = 15,635.76/x
  3. Step 3: Cross multiply
    25,053.36x = 34,585.56 × 15,635.76
  4. Step 4: Simplify right side
    25,053.36x = 540,771,515.63
  5. Step 5: Solve for x
    x = 540,771,515.63/25,053.36
  6. Step 6: Final answer
    x = 21,584.79

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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.