Home / 13,333.28-18,384.08-8,849.93

Finding the Fourth Proportional to 13,333.28, 18,384.08 and 8,849.93

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Solution

The fourth proportional to 13,333.28, 18,384.08 and 8,849.93 is: 12,202.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333.28 : 18,384.08 = 8,849.93 : x
  2. Step 2: Convert to fraction form
    13,333.28/18,384.08 = 8,849.93/x
  3. Step 3: Cross multiply
    13,333.28x = 18,384.08 × 8,849.93
  4. Step 4: Simplify right side
    13,333.28x = 162,697,889.20
  5. Step 5: Solve for x
    x = 162,697,889.20/13,333.28
  6. Step 6: Final answer
    x = 12,202.39

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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.