Home / 18,889.04-26,053.32-13,854.80

Finding the Fourth Proportional to 18,889.04, 26,053.32 and 13,854.80

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Solution

The fourth proportional to 18,889.04, 26,053.32 and 13,854.80 is: 19,109.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,889.04 : 26,053.32 = 13,854.80 : x
  2. Step 2: Convert to fraction form
    18,889.04/26,053.32 = 13,854.80/x
  3. Step 3: Cross multiply
    18,889.04x = 26,053.32 × 13,854.80
  4. Step 4: Simplify right side
    18,889.04x = 360,963,537.94
  5. Step 5: Solve for x
    x = 360,963,537.94/18,889.04
  6. Step 6: Final answer
    x = 19,109.68

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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.