Home / 18,852.16-26,018.40-11,400.16

Finding the Fourth Proportional to 18,852.16, 26,018.40 and 11,400.16

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Solution

The fourth proportional to 18,852.16, 26,018.40 and 11,400.16 is: 15,733.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,852.16 : 26,018.40 = 11,400.16 : x
  2. Step 2: Convert to fraction form
    18,852.16/26,018.40 = 11,400.16/x
  3. Step 3: Cross multiply
    18,852.16x = 26,018.40 × 11,400.16
  4. Step 4: Simplify right side
    18,852.16x = 296,613,922.94
  5. Step 5: Solve for x
    x = 296,613,922.94/18,852.16
  6. Step 6: Final answer
    x = 15,733.68

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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.