Home / 22,421.08-33,627.02-8,378.51

Finding the Fourth Proportional to 22,421.08, 33,627.02 and 8,378.51

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Solution

The fourth proportional to 22,421.08, 33,627.02 and 8,378.51 is: 12,566.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,421.08 : 33,627.02 = 8,378.51 : x
  2. Step 2: Convert to fraction form
    22,421.08/33,627.02 = 8,378.51/x
  3. Step 3: Cross multiply
    22,421.08x = 33,627.02 × 8,378.51
  4. Step 4: Simplify right side
    22,421.08x = 281,744,428.35
  5. Step 5: Solve for x
    x = 281,744,428.35/22,421.08
  6. Step 6: Final answer
    x = 12,566.05

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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.