Home / 13,496.60-20,219.52-9,106.40

Finding the Fourth Proportional to 13,496.60, 20,219.52 and 9,106.40

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Solution

The fourth proportional to 13,496.60, 20,219.52 and 9,106.40 is: 13,642.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,496.60 : 20,219.52 = 9,106.40 : x
  2. Step 2: Convert to fraction form
    13,496.60/20,219.52 = 9,106.40/x
  3. Step 3: Cross multiply
    13,496.60x = 20,219.52 × 9,106.40
  4. Step 4: Simplify right side
    13,496.60x = 184,127,036.93
  5. Step 5: Solve for x
    x = 184,127,036.93/13,496.60
  6. Step 6: Final answer
    x = 13,642.48

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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.