Home / 13,764.69-19,001.09-9,294.50

Finding the Fourth Proportional to 13,764.69, 19,001.09 and 9,294.50

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Solution

The fourth proportional to 13,764.69, 19,001.09 and 9,294.50 is: 12,830.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764.69 : 19,001.09 = 9,294.50 : x
  2. Step 2: Convert to fraction form
    13,764.69/19,001.09 = 9,294.50/x
  3. Step 3: Cross multiply
    13,764.69x = 19,001.09 × 9,294.50
  4. Step 4: Simplify right side
    13,764.69x = 176,605,489.53
  5. Step 5: Solve for x
    x = 176,605,489.53/13,764.69
  6. Step 6: Final answer
    x = 12,830.33

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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.