Home / 25,348.19-34,973.35-15,138.02

Finding the Fourth Proportional to 25,348.19, 34,973.35 and 15,138.02

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Solution

The fourth proportional to 25,348.19, 34,973.35 and 15,138.02 is: 20,886.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,348.19 : 34,973.35 = 15,138.02 : x
  2. Step 2: Convert to fraction form
    25,348.19/34,973.35 = 15,138.02/x
  3. Step 3: Cross multiply
    25,348.19x = 34,973.35 × 15,138.02
  4. Step 4: Simplify right side
    25,348.19x = 529,427,406.51
  5. Step 5: Solve for x
    x = 529,427,406.51/25,348.19
  6. Step 6: Final answer
    x = 20,886.20

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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.