Home / 23,112.74-31,895.47-12,502.35

Finding the Fourth Proportional to 23,112.74, 31,895.47 and 12,502.35

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Solution

The fourth proportional to 23,112.74, 31,895.47 and 12,502.35 is: 17,253.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,112.74 : 31,895.47 = 12,502.35 : x
  2. Step 2: Convert to fraction form
    23,112.74/31,895.47 = 12,502.35/x
  3. Step 3: Cross multiply
    23,112.74x = 31,895.47 × 12,502.35
  4. Step 4: Simplify right side
    23,112.74x = 398,768,344.98
  5. Step 5: Solve for x
    x = 398,768,344.98/23,112.74
  6. Step 6: Final answer
    x = 17,253.18

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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.