Home / 13,470.35-20,206.58-4,110.45

Finding the Fourth Proportional to 13,470.35, 20,206.58 and 4,110.45

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Solution

The fourth proportional to 13,470.35, 20,206.58 and 4,110.45 is: 6,165.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,470.35 : 20,206.58 = 4,110.45 : x
  2. Step 2: Convert to fraction form
    13,470.35/20,206.58 = 4,110.45/x
  3. Step 3: Cross multiply
    13,470.35x = 20,206.58 × 4,110.45
  4. Step 4: Simplify right side
    13,470.35x = 83,058,123.16
  5. Step 5: Solve for x
    x = 83,058,123.16/13,470.35
  6. Step 6: Final answer
    x = 6,165.99

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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.