Home / 43,298.46-64,955.70-13,723.74

Finding the Fourth Proportional to 43,298.46, 64,955.70 and 13,723.74

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Solution

The fourth proportional to 43,298.46, 64,955.70 and 13,723.74 is: 20,588.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,298.46 : 64,955.70 = 13,723.74 : x
  2. Step 2: Convert to fraction form
    43,298.46/64,955.70 = 13,723.74/x
  3. Step 3: Cross multiply
    43,298.46x = 64,955.70 × 13,723.74
  4. Step 4: Simplify right side
    43,298.46x = 891,435,138.32
  5. Step 5: Solve for x
    x = 891,435,138.32/43,298.46
  6. Step 6: Final answer
    x = 20,588.15

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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.