Home / 28,313.07-39,092.33-19,834.01

Finding the Fourth Proportional to 28,313.07, 39,092.33 and 19,834.01

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Solution

The fourth proportional to 28,313.07, 39,092.33 and 19,834.01 is: 27,385.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,313.07 : 39,092.33 = 19,834.01 : x
  2. Step 2: Convert to fraction form
    28,313.07/39,092.33 = 19,834.01/x
  3. Step 3: Cross multiply
    28,313.07x = 39,092.33 × 19,834.01
  4. Step 4: Simplify right side
    28,313.07x = 775,357,518.27
  5. Step 5: Solve for x
    x = 775,357,518.27/28,313.07
  6. Step 6: Final answer
    x = 27,385.14

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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.