Home / 43,209.36-64,817.16-15,126.24

Finding the Fourth Proportional to 43,209.36, 64,817.16 and 15,126.24

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Solution

The fourth proportional to 43,209.36, 64,817.16 and 15,126.24 is: 22,690.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,209.36 : 64,817.16 = 15,126.24 : x
  2. Step 2: Convert to fraction form
    43,209.36/64,817.16 = 15,126.24/x
  3. Step 3: Cross multiply
    43,209.36x = 64,817.16 × 15,126.24
  4. Step 4: Simplify right side
    43,209.36x = 980,439,918.28
  5. Step 5: Solve for x
    x = 980,439,918.28/43,209.36
  6. Step 6: Final answer
    x = 22,690.45

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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.