Home / 22,845.42-31,527.36-13,412.16

Finding the Fourth Proportional to 22,845.42, 31,527.36 and 13,412.16

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Solution

The fourth proportional to 22,845.42, 31,527.36 and 13,412.16 is: 18,509.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,845.42 : 31,527.36 = 13,412.16 : x
  2. Step 2: Convert to fraction form
    22,845.42/31,527.36 = 13,412.16/x
  3. Step 3: Cross multiply
    22,845.42x = 31,527.36 × 13,412.16
  4. Step 4: Simplify right side
    22,845.42x = 422,849,996.70
  5. Step 5: Solve for x
    x = 422,849,996.70/22,845.42
  6. Step 6: Final answer
    x = 18,509.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.