Home / 19,518.53-26,934.54-11,451.06

Finding the Fourth Proportional to 19,518.53, 26,934.54 and 11,451.06

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Solution

The fourth proportional to 19,518.53, 26,934.54 and 11,451.06 is: 15,801.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,518.53 : 26,934.54 = 11,451.06 : x
  2. Step 2: Convert to fraction form
    19,518.53/26,934.54 = 11,451.06/x
  3. Step 3: Cross multiply
    19,518.53x = 26,934.54 × 11,451.06
  4. Step 4: Simplify right side
    19,518.53x = 308,429,041.36
  5. Step 5: Solve for x
    x = 308,429,041.36/19,518.53
  6. Step 6: Final answer
    x = 15,801.86

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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.