Home / 25,347.20-34,973.52-15,912.32

Finding the Fourth Proportional to 25,347.20, 34,973.52 and 15,912.32

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Solution

The fourth proportional to 25,347.20, 34,973.52 and 15,912.32 is: 21,955.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,347.20 : 34,973.52 = 15,912.32 : x
  2. Step 2: Convert to fraction form
    25,347.20/34,973.52 = 15,912.32/x
  3. Step 3: Cross multiply
    25,347.20x = 34,973.52 × 15,912.32
  4. Step 4: Simplify right side
    25,347.20x = 556,509,841.77
  5. Step 5: Solve for x
    x = 556,509,841.77/25,347.20
  6. Step 6: Final answer
    x = 21,955.48

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Similar ratio
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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.