Home / 18,962.48-26,170.55-11,412.74

Finding the Fourth Proportional to 18,962.48, 26,170.55 and 11,412.74

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Solution

The fourth proportional to 18,962.48, 26,170.55 and 11,412.74 is: 15,750.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,962.48 : 26,170.55 = 11,412.74 : x
  2. Step 2: Convert to fraction form
    18,962.48/26,170.55 = 11,412.74/x
  3. Step 3: Cross multiply
    18,962.48x = 26,170.55 × 11,412.74
  4. Step 4: Simplify right side
    18,962.48x = 298,677,682.81
  5. Step 5: Solve for x
    x = 298,677,682.81/18,962.48
  6. Step 6: Final answer
    x = 15,750.98

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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.