Home / 43,113.16-64,672.47-13,532.16

Finding the Fourth Proportional to 43,113.16, 64,672.47 and 13,532.16

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Solution

The fourth proportional to 43,113.16, 64,672.47 and 13,532.16 is: 20,299.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,113.16 : 64,672.47 = 13,532.16 : x
  2. Step 2: Convert to fraction form
    43,113.16/64,672.47 = 13,532.16/x
  3. Step 3: Cross multiply
    43,113.16x = 64,672.47 × 13,532.16
  4. Step 4: Simplify right side
    43,113.16x = 875,158,143.97
  5. Step 5: Solve for x
    x = 875,158,143.97/43,113.16
  6. Step 6: Final answer
    x = 20,299.10

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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.