Home / 13,834.36-19,085.70-9,645.04

Finding the Fourth Proportional to 13,834.36, 19,085.70 and 9,645.04

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Solution

The fourth proportional to 13,834.36, 19,085.70 and 9,645.04 is: 13,306.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,834.36 : 19,085.70 = 9,645.04 : x
  2. Step 2: Convert to fraction form
    13,834.36/19,085.70 = 9,645.04/x
  3. Step 3: Cross multiply
    13,834.36x = 19,085.70 × 9,645.04
  4. Step 4: Simplify right side
    13,834.36x = 184,082,339.93
  5. Step 5: Solve for x
    x = 184,082,339.93/13,834.36
  6. Step 6: Final answer
    x = 13,306.17

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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.