Home / 13,291.22-19,931.69-4,403.84

Finding the Fourth Proportional to 13,291.22, 19,931.69 and 4,403.84

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Solution

The fourth proportional to 13,291.22, 19,931.69 and 4,403.84 is: 6,604.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,291.22 : 19,931.69 = 4,403.84 : x
  2. Step 2: Convert to fraction form
    13,291.22/19,931.69 = 4,403.84/x
  3. Step 3: Cross multiply
    13,291.22x = 19,931.69 × 4,403.84
  4. Step 4: Simplify right side
    13,291.22x = 87,775,885.04
  5. Step 5: Solve for x
    x = 87,775,885.04/13,291.22
  6. Step 6: Final answer
    x = 6,604.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.