Home / 15,492.25-23,237.77-13,405.49

Finding the Fourth Proportional to 15,492.25, 23,237.77 and 13,405.49

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Solution

The fourth proportional to 15,492.25, 23,237.77 and 13,405.49 is: 20,107.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,492.25 : 23,237.77 = 13,405.49 : x
  2. Step 2: Convert to fraction form
    15,492.25/23,237.77 = 13,405.49/x
  3. Step 3: Cross multiply
    15,492.25x = 23,237.77 × 13,405.49
  4. Step 4: Simplify right side
    15,492.25x = 311,513,693.36
  5. Step 5: Solve for x
    x = 311,513,693.36/15,492.25
  6. Step 6: Final answer
    x = 20,107.71

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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.