Home / 19,400.42-26,751.38-13,101.86

Finding the Fourth Proportional to 19,400.42, 26,751.38 and 13,101.86

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Solution

The fourth proportional to 19,400.42, 26,751.38 and 13,101.86 is: 18,066.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,400.42 : 26,751.38 = 13,101.86 : x
  2. Step 2: Convert to fraction form
    19,400.42/26,751.38 = 13,101.86/x
  3. Step 3: Cross multiply
    19,400.42x = 26,751.38 × 13,101.86
  4. Step 4: Simplify right side
    19,400.42x = 350,492,835.57
  5. Step 5: Solve for x
    x = 350,492,835.57/19,400.42
  6. Step 6: Final answer
    x = 18,066.25

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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.