Home / 13,492.80-20,214.24-11,315.52

Finding the Fourth Proportional to 13,492.80, 20,214.24 and 11,315.52

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Solution

The fourth proportional to 13,492.80, 20,214.24 and 11,315.52 is: 16,952.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,492.80 : 20,214.24 = 11,315.52 : x
  2. Step 2: Convert to fraction form
    13,492.80/20,214.24 = 11,315.52/x
  3. Step 3: Cross multiply
    13,492.80x = 20,214.24 × 11,315.52
  4. Step 4: Simplify right side
    13,492.80x = 228,734,637.00
  5. Step 5: Solve for x
    x = 228,734,637.00/13,492.80
  6. Step 6: Final answer
    x = 16,952.35

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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.