Home / 14,810.32-20,436.26-9,512.31

Finding the Fourth Proportional to 14,810.32, 20,436.26 and 9,512.31

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Solution

The fourth proportional to 14,810.32, 20,436.26 and 9,512.31 is: 13,125.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,810.32 : 20,436.26 = 9,512.31 : x
  2. Step 2: Convert to fraction form
    14,810.32/20,436.26 = 9,512.31/x
  3. Step 3: Cross multiply
    14,810.32x = 20,436.26 × 9,512.31
  4. Step 4: Simplify right side
    14,810.32x = 194,396,040.36
  5. Step 5: Solve for x
    x = 194,396,040.36/14,810.32
  6. Step 6: Final answer
    x = 13,125.72

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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.