Home / 25,427.29-38,118.47-9,621.35

Finding the Fourth Proportional to 25,427.29, 38,118.47 and 9,621.35

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Solution

The fourth proportional to 25,427.29, 38,118.47 and 9,621.35 is: 14,423.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,427.29 : 38,118.47 = 9,621.35 : x
  2. Step 2: Convert to fraction form
    25,427.29/38,118.47 = 9,621.35/x
  3. Step 3: Cross multiply
    25,427.29x = 38,118.47 × 9,621.35
  4. Step 4: Simplify right side
    25,427.29x = 366,751,056.11
  5. Step 5: Solve for x
    x = 366,751,056.11/25,427.29
  6. Step 6: Final answer
    x = 14,423.52

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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.