Home / 18,933.36-26,125.65-11,378.58

Finding the Fourth Proportional to 18,933.36, 26,125.65 and 11,378.58

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Solution

The fourth proportional to 18,933.36, 26,125.65 and 11,378.58 is: 15,701.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,933.36 : 26,125.65 = 11,378.58 : x
  2. Step 2: Convert to fraction form
    18,933.36/26,125.65 = 11,378.58/x
  3. Step 3: Cross multiply
    18,933.36x = 26,125.65 × 11,378.58
  4. Step 4: Simplify right side
    18,933.36x = 297,272,798.58
  5. Step 5: Solve for x
    x = 297,272,798.58/18,933.36
  6. Step 6: Final answer
    x = 15,701.01

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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.