Home / 15,987.27-22,056.63-9,269.19

Finding the Fourth Proportional to 15,987.27, 22,056.63 and 9,269.19

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Solution

The fourth proportional to 15,987.27, 22,056.63 and 9,269.19 is: 12,788.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,987.27 : 22,056.63 = 9,269.19 : x
  2. Step 2: Convert to fraction form
    15,987.27/22,056.63 = 9,269.19/x
  3. Step 3: Cross multiply
    15,987.27x = 22,056.63 × 9,269.19
  4. Step 4: Simplify right side
    15,987.27x = 204,447,094.23
  5. Step 5: Solve for x
    x = 204,447,094.23/15,987.27
  6. Step 6: Final answer
    x = 12,788.12

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Double scale
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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.