Home / 13,353.28-20,031.28-4,587.06

Finding the Fourth Proportional to 13,353.28, 20,031.28 and 4,587.06

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Solution

The fourth proportional to 13,353.28, 20,031.28 and 4,587.06 is: 6,881.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353.28 : 20,031.28 = 4,587.06 : x
  2. Step 2: Convert to fraction form
    13,353.28/20,031.28 = 4,587.06/x
  3. Step 3: Cross multiply
    13,353.28x = 20,031.28 × 4,587.06
  4. Step 4: Simplify right side
    13,353.28x = 91,884,683.24
  5. Step 5: Solve for x
    x = 91,884,683.24/13,353.28
  6. Step 6: Final answer
    x = 6,881.06

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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.