Home / 25,667.39-38,502.16-8,812.01

Finding the Fourth Proportional to 25,667.39, 38,502.16 and 8,812.01

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Solution

The fourth proportional to 25,667.39, 38,502.16 and 8,812.01 is: 13,218.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,667.39 : 38,502.16 = 8,812.01 : x
  2. Step 2: Convert to fraction form
    25,667.39/38,502.16 = 8,812.01/x
  3. Step 3: Cross multiply
    25,667.39x = 38,502.16 × 8,812.01
  4. Step 4: Simplify right side
    25,667.39x = 339,281,204.40
  5. Step 5: Solve for x
    x = 339,281,204.40/25,667.39
  6. Step 6: Final answer
    x = 13,218.38

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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.