Home / 18,858.16-26,036.35-16,838.09

Finding the Fourth Proportional to 18,858.16, 26,036.35 and 16,838.09

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Solution

The fourth proportional to 18,858.16, 26,036.35 and 16,838.09 is: 23,247.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,858.16 : 26,036.35 = 16,838.09 : x
  2. Step 2: Convert to fraction form
    18,858.16/26,036.35 = 16,838.09/x
  3. Step 3: Cross multiply
    18,858.16x = 26,036.35 × 16,838.09
  4. Step 4: Simplify right side
    18,858.16x = 438,402,404.57
  5. Step 5: Solve for x
    x = 438,402,404.57/18,858.16
  6. Step 6: Final answer
    x = 23,247.36

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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.