Home / 14,587.31-21,880.80-9,895.70

Finding the Fourth Proportional to 14,587.31, 21,880.80 and 9,895.70

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Solution

The fourth proportional to 14,587.31, 21,880.80 and 9,895.70 is: 14,843.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,587.31 : 21,880.80 = 9,895.70 : x
  2. Step 2: Convert to fraction form
    14,587.31/21,880.80 = 9,895.70/x
  3. Step 3: Cross multiply
    14,587.31x = 21,880.80 × 9,895.70
  4. Step 4: Simplify right side
    14,587.31x = 216,525,723.16
  5. Step 5: Solve for x
    x = 216,525,723.16/14,587.31
  6. Step 6: Final answer
    x = 14,843.44

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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.