Home / 43,015.08-64,498.50-13,425.24

Finding the Fourth Proportional to 43,015.08, 64,498.50 and 13,425.24

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Solution

The fourth proportional to 43,015.08, 64,498.50 and 13,425.24 is: 20,130.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,015.08 : 64,498.50 = 13,425.24 : x
  2. Step 2: Convert to fraction form
    43,015.08/64,498.50 = 13,425.24/x
  3. Step 3: Cross multiply
    43,015.08x = 64,498.50 × 13,425.24
  4. Step 4: Simplify right side
    43,015.08x = 865,907,842.14
  5. Step 5: Solve for x
    x = 865,907,842.14/43,015.08
  6. Step 6: Final answer
    x = 20,130.33

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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.