Home / 28,196.32-42,294.78-11,552.08

Finding the Fourth Proportional to 28,196.32, 42,294.78 and 11,552.08

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Solution

The fourth proportional to 28,196.32, 42,294.78 and 11,552.08 is: 17,328.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,196.32 : 42,294.78 = 11,552.08 : x
  2. Step 2: Convert to fraction form
    28,196.32/42,294.78 = 11,552.08/x
  3. Step 3: Cross multiply
    28,196.32x = 42,294.78 × 11,552.08
  4. Step 4: Simplify right side
    28,196.32x = 488,592,682.14
  5. Step 5: Solve for x
    x = 488,592,682.14/28,196.32
  6. Step 6: Final answer
    x = 17,328.24

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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.