Home / 14,235.80-19,643.91-8,266.29

Finding the Fourth Proportional to 14,235.80, 19,643.91 and 8,266.29

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Solution

The fourth proportional to 14,235.80, 19,643.91 and 8,266.29 is: 11,406.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,235.80 : 19,643.91 = 8,266.29 : x
  2. Step 2: Convert to fraction form
    14,235.80/19,643.91 = 8,266.29/x
  3. Step 3: Cross multiply
    14,235.80x = 19,643.91 × 8,266.29
  4. Step 4: Simplify right side
    14,235.80x = 162,382,256.79
  5. Step 5: Solve for x
    x = 162,382,256.79/14,235.80
  6. Step 6: Final answer
    x = 11,406.62

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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.