Home / 15,492.66-21,372.01-10,118.25

Finding the Fourth Proportional to 15,492.66, 21,372.01 and 10,118.25

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Solution

The fourth proportional to 15,492.66, 21,372.01 and 10,118.25 is: 13,958.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,492.66 : 21,372.01 = 10,118.25 : x
  2. Step 2: Convert to fraction form
    15,492.66/21,372.01 = 10,118.25/x
  3. Step 3: Cross multiply
    15,492.66x = 21,372.01 × 10,118.25
  4. Step 4: Simplify right side
    15,492.66x = 216,247,254.78
  5. Step 5: Solve for x
    x = 216,247,254.78/15,492.66
  6. Step 6: Final answer
    x = 13,958.04

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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.