Home / 19,300.12-28,952.07-9,914.38

Finding the Fourth Proportional to 19,300.12, 28,952.07 and 9,914.38

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Solution

The fourth proportional to 19,300.12, 28,952.07 and 9,914.38 is: 14,872.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,300.12 : 28,952.07 = 9,914.38 : x
  2. Step 2: Convert to fraction form
    19,300.12/28,952.07 = 9,914.38/x
  3. Step 3: Cross multiply
    19,300.12x = 28,952.07 × 9,914.38
  4. Step 4: Simplify right side
    19,300.12x = 287,041,823.77
  5. Step 5: Solve for x
    x = 287,041,823.77/19,300.12
  6. Step 6: Final answer
    x = 14,872.54

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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.