Home / 23,138.16-31,930.51-12,527.77

Finding the Fourth Proportional to 23,138.16, 31,930.51 and 12,527.77

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Solution

The fourth proportional to 23,138.16, 31,930.51 and 12,527.77 is: 17,288.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,138.16 : 31,930.51 = 12,527.77 : x
  2. Step 2: Convert to fraction form
    23,138.16/31,930.51 = 12,527.77/x
  3. Step 3: Cross multiply
    23,138.16x = 31,930.51 × 12,527.77
  4. Step 4: Simplify right side
    23,138.16x = 400,018,085.26
  5. Step 5: Solve for x
    x = 400,018,085.26/23,138.16
  6. Step 6: Final answer
    x = 17,288.24

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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.