Home / 15,552.54-21,461.73-8,837.28

Finding the Fourth Proportional to 15,552.54, 21,461.73 and 8,837.28

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Solution

The fourth proportional to 15,552.54, 21,461.73 and 8,837.28 is: 12,195.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,552.54 : 21,461.73 = 8,837.28 : x
  2. Step 2: Convert to fraction form
    15,552.54/21,461.73 = 8,837.28/x
  3. Step 3: Cross multiply
    15,552.54x = 21,461.73 × 8,837.28
  4. Step 4: Simplify right side
    15,552.54x = 189,663,317.29
  5. Step 5: Solve for x
    x = 189,663,317.29/15,552.54
  6. Step 6: Final answer
    x = 12,195.01

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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.