Home / 19,154.40-26,433-11,195.04

Finding the Fourth Proportional to 19,154.40, 26,433 and 11,195.04

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Solution

The fourth proportional to 19,154.40, 26,433 and 11,195.04 is: 15,449.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,154.40 : 26,433 = 11,195.04 : x
  2. Step 2: Convert to fraction form
    19,154.40/26,433 = 11,195.04/x
  3. Step 3: Cross multiply
    19,154.40x = 26,433 × 11,195.04
  4. Step 4: Simplify right side
    19,154.40x = 295,918,492.32
  5. Step 5: Solve for x
    x = 295,918,492.32/19,154.40
  6. Step 6: Final answer
    x = 15,449.11

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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.