Home / 14,240.32-19,650.26-9,767.90

Finding the Fourth Proportional to 14,240.32, 19,650.26 and 9,767.90

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Solution

The fourth proportional to 14,240.32, 19,650.26 and 9,767.90 is: 13,478.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,240.32 : 19,650.26 = 9,767.90 : x
  2. Step 2: Convert to fraction form
    14,240.32/19,650.26 = 9,767.90/x
  3. Step 3: Cross multiply
    14,240.32x = 19,650.26 × 9,767.90
  4. Step 4: Simplify right side
    14,240.32x = 191,941,774.65
  5. Step 5: Solve for x
    x = 191,941,774.65/14,240.32
  6. Step 6: Final answer
    x = 13,478.75

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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.