Home / 14,350.25-19,803.58-7,890.16

Finding the Fourth Proportional to 14,350.25, 19,803.58 and 7,890.16

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Solution

The fourth proportional to 14,350.25, 19,803.58 and 7,890.16 is: 10,888.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,350.25 : 19,803.58 = 7,890.16 : x
  2. Step 2: Convert to fraction form
    14,350.25/19,803.58 = 7,890.16/x
  3. Step 3: Cross multiply
    14,350.25x = 19,803.58 × 7,890.16
  4. Step 4: Simplify right side
    14,350.25x = 156,253,355.40
  5. Step 5: Solve for x
    x = 156,253,355.40/14,350.25
  6. Step 6: Final answer
    x = 10,888.55

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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.