Home / 23,045.44-31,812.51-15,496.15

Finding the Fourth Proportional to 23,045.44, 31,812.51 and 15,496.15

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Solution

The fourth proportional to 23,045.44, 31,812.51 and 15,496.15 is: 21,391.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,045.44 : 31,812.51 = 15,496.15 : x
  2. Step 2: Convert to fraction form
    23,045.44/31,812.51 = 15,496.15/x
  3. Step 3: Cross multiply
    23,045.44x = 31,812.51 × 15,496.15
  4. Step 4: Simplify right side
    23,045.44x = 492,971,426.84
  5. Step 5: Solve for x
    x = 492,971,426.84/23,045.44
  6. Step 6: Final answer
    x = 21,391.28

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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.