Home / 15,884.08-21,946.40-12,552.44

Finding the Fourth Proportional to 15,884.08, 21,946.40 and 12,552.44

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Solution

The fourth proportional to 15,884.08, 21,946.40 and 12,552.44 is: 17,343.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,884.08 : 21,946.40 = 12,552.44 : x
  2. Step 2: Convert to fraction form
    15,884.08/21,946.40 = 12,552.44/x
  3. Step 3: Cross multiply
    15,884.08x = 21,946.40 × 12,552.44
  4. Step 4: Simplify right side
    15,884.08x = 275,480,869.22
  5. Step 5: Solve for x
    x = 275,480,869.22/15,884.08
  6. Step 6: Final answer
    x = 17,343.21

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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.