Home / 21,750.58-32,638.18-9,269.30

Finding the Fourth Proportional to 21,750.58, 32,638.18 and 9,269.30

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Solution

The fourth proportional to 21,750.58, 32,638.18 and 9,269.30 is: 13,909.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,750.58 : 32,638.18 = 9,269.30 : x
  2. Step 2: Convert to fraction form
    21,750.58/32,638.18 = 9,269.30/x
  3. Step 3: Cross multiply
    21,750.58x = 32,638.18 × 9,269.30
  4. Step 4: Simplify right side
    21,750.58x = 302,533,081.87
  5. Step 5: Solve for x
    x = 302,533,081.87/21,750.58
  6. Step 6: Final answer
    x = 13,909.20

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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.