Home / 43,106.12-64,659.11-13,526.19

Finding the Fourth Proportional to 43,106.12, 64,659.11 and 13,526.19

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Solution

The fourth proportional to 43,106.12, 64,659.11 and 13,526.19 is: 20,289.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,106.12 : 64,659.11 = 13,526.19 : x
  2. Step 2: Convert to fraction form
    43,106.12/64,659.11 = 13,526.19/x
  3. Step 3: Cross multiply
    43,106.12x = 64,659.11 × 13,526.19
  4. Step 4: Simplify right side
    43,106.12x = 874,591,415.54
  5. Step 5: Solve for x
    x = 874,591,415.54/43,106.12
  6. Step 6: Final answer
    x = 20,289.26

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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.