Home / 18,872.16-26,036.93-11,320.94

Finding the Fourth Proportional to 18,872.16, 26,036.93 and 11,320.94

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Solution

The fourth proportional to 18,872.16, 26,036.93 and 11,320.94 is: 15,618.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,872.16 : 26,036.93 = 11,320.94 : x
  2. Step 2: Convert to fraction form
    18,872.16/26,036.93 = 11,320.94/x
  3. Step 3: Cross multiply
    18,872.16x = 26,036.93 × 11,320.94
  4. Step 4: Simplify right side
    18,872.16x = 294,762,522.31
  5. Step 5: Solve for x
    x = 294,762,522.31/18,872.16
  6. Step 6: Final answer
    x = 15,618.91

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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.