Home / 25,346.78-38,024.74-8,702.52

Finding the Fourth Proportional to 25,346.78, 38,024.74 and 8,702.52

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Solution

The fourth proportional to 25,346.78, 38,024.74 and 8,702.52 is: 13,055.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,346.78 : 38,024.74 = 8,702.52 : x
  2. Step 2: Convert to fraction form
    25,346.78/38,024.74 = 8,702.52/x
  3. Step 3: Cross multiply
    25,346.78x = 38,024.74 × 8,702.52
  4. Step 4: Simplify right side
    25,346.78x = 330,911,060.34
  5. Step 5: Solve for x
    x = 330,911,060.34/25,346.78
  6. Step 6: Final answer
    x = 13,055.35

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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.