Home / 18,758.50-25,886.73-10,376.26

Finding the Fourth Proportional to 18,758.50, 25,886.73 and 10,376.26

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Solution

The fourth proportional to 18,758.50, 25,886.73 and 10,376.26 is: 14,319.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,758.50 : 25,886.73 = 10,376.26 : x
  2. Step 2: Convert to fraction form
    18,758.50/25,886.73 = 10,376.26/x
  3. Step 3: Cross multiply
    18,758.50x = 25,886.73 × 10,376.26
  4. Step 4: Simplify right side
    18,758.50x = 268,607,441.03
  5. Step 5: Solve for x
    x = 268,607,441.03/18,758.50
  6. Step 6: Final answer
    x = 14,319.24

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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.