Home / 21,555.15-32,328.98-5,969.13

Finding the Fourth Proportional to 21,555.15, 32,328.98 and 5,969.13

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Solution

The fourth proportional to 21,555.15, 32,328.98 and 5,969.13 is: 8,952.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,555.15 : 32,328.98 = 5,969.13 : x
  2. Step 2: Convert to fraction form
    21,555.15/32,328.98 = 5,969.13/x
  3. Step 3: Cross multiply
    21,555.15x = 32,328.98 × 5,969.13
  4. Step 4: Simplify right side
    21,555.15x = 192,975,854.54
  5. Step 5: Solve for x
    x = 192,975,854.54/21,555.15
  6. Step 6: Final answer
    x = 8,952.66

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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.