Home / 14,561.40-21,842.10-9,895.80

Finding the Fourth Proportional to 14,561.40, 21,842.10 and 9,895.80

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Solution

The fourth proportional to 14,561.40, 21,842.10 and 9,895.80 is: 14,843.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,561.40 : 21,842.10 = 9,895.80 : x
  2. Step 2: Convert to fraction form
    14,561.40/21,842.10 = 9,895.80/x
  3. Step 3: Cross multiply
    14,561.40x = 21,842.10 × 9,895.80
  4. Step 4: Simplify right side
    14,561.40x = 216,145,053.18
  5. Step 5: Solve for x
    x = 216,145,053.18/14,561.40
  6. Step 6: Final answer
    x = 14,843.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.