Home / 19,776.21-29,667.27-6,444.84

Finding the Fourth Proportional to 19,776.21, 29,667.27 and 6,444.84

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Solution

The fourth proportional to 19,776.21, 29,667.27 and 6,444.84 is: 9,668.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,776.21 : 29,667.27 = 6,444.84 : x
  2. Step 2: Convert to fraction form
    19,776.21/29,667.27 = 6,444.84/x
  3. Step 3: Cross multiply
    19,776.21x = 29,667.27 × 6,444.84
  4. Step 4: Simplify right side
    19,776.21x = 191,200,808.39
  5. Step 5: Solve for x
    x = 191,200,808.39/19,776.21
  6. Step 6: Final answer
    x = 9,668.22

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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.