Home / 23,420.33-32,319.65-12,809.74

Finding the Fourth Proportional to 23,420.33, 32,319.65 and 12,809.74

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Solution

The fourth proportional to 23,420.33, 32,319.65 and 12,809.74 is: 17,677.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,420.33 : 32,319.65 = 12,809.74 : x
  2. Step 2: Convert to fraction form
    23,420.33/32,319.65 = 12,809.74/x
  3. Step 3: Cross multiply
    23,420.33x = 32,319.65 × 12,809.74
  4. Step 4: Simplify right side
    23,420.33x = 414,006,264.62
  5. Step 5: Solve for x
    x = 414,006,264.62/23,420.33
  6. Step 6: Final answer
    x = 17,677.22

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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.