Home / 18,281.36-27,424.31-6,432.35

Finding the Fourth Proportional to 18,281.36, 27,424.31 and 6,432.35

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Solution

The fourth proportional to 18,281.36, 27,424.31 and 6,432.35 is: 9,649.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,281.36 : 27,424.31 = 6,432.35 : x
  2. Step 2: Convert to fraction form
    18,281.36/27,424.31 = 6,432.35/x
  3. Step 3: Cross multiply
    18,281.36x = 27,424.31 × 6,432.35
  4. Step 4: Simplify right side
    18,281.36x = 176,402,591.15
  5. Step 5: Solve for x
    x = 176,402,591.15/18,281.36
  6. Step 6: Final answer
    x = 9,649.31

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1.5x scale

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.