Home / 19,509.90-26,894.67-13,836.30

Finding the Fourth Proportional to 19,509.90, 26,894.67 and 13,836.30

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Solution

The fourth proportional to 19,509.90, 26,894.67 and 13,836.30 is: 19,073.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,509.90 : 26,894.67 = 13,836.30 : x
  2. Step 2: Convert to fraction form
    19,509.90/26,894.67 = 13,836.30/x
  3. Step 3: Cross multiply
    19,509.90x = 26,894.67 × 13,836.30
  4. Step 4: Simplify right side
    19,509.90x = 372,122,722.52
  5. Step 5: Solve for x
    x = 372,122,722.52/19,509.90
  6. Step 6: Final answer
    x = 19,073.53

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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.