Home / 13,656.24-20,483.28-5,334.66

Finding the Fourth Proportional to 13,656.24, 20,483.28 and 5,334.66

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Solution

The fourth proportional to 13,656.24, 20,483.28 and 5,334.66 is: 8,001.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,656.24 : 20,483.28 = 5,334.66 : x
  2. Step 2: Convert to fraction form
    13,656.24/20,483.28 = 5,334.66/x
  3. Step 3: Cross multiply
    13,656.24x = 20,483.28 × 5,334.66
  4. Step 4: Simplify right side
    13,656.24x = 109,271,334.48
  5. Step 5: Solve for x
    x = 109,271,334.48/13,656.24
  6. Step 6: Final answer
    x = 8,001.57

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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.