Home / 13,417.13-20,027.56-12,441.35

Finding the Fourth Proportional to 13,417.13, 20,027.56 and 12,441.35

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Solution

The fourth proportional to 13,417.13, 20,027.56 and 12,441.35 is: 18,571.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,417.13 : 20,027.56 = 12,441.35 : x
  2. Step 2: Convert to fraction form
    13,417.13/20,027.56 = 12,441.35/x
  3. Step 3: Cross multiply
    13,417.13x = 20,027.56 × 12,441.35
  4. Step 4: Simplify right side
    13,417.13x = 249,169,883.61
  5. Step 5: Solve for x
    x = 249,169,883.61/13,417.13
  6. Step 6: Final answer
    x = 18,571.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.