Home / 13,332.95-18,401.83-7,667.25

Finding the Fourth Proportional to 13,332.95, 18,401.83 and 7,667.25

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Solution

The fourth proportional to 13,332.95, 18,401.83 and 7,667.25 is: 10,582.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,332.95 : 18,401.83 = 7,667.25 : x
  2. Step 2: Convert to fraction form
    13,332.95/18,401.83 = 7,667.25/x
  3. Step 3: Cross multiply
    13,332.95x = 18,401.83 × 7,667.25
  4. Step 4: Simplify right side
    13,332.95x = 141,091,431.07
  5. Step 5: Solve for x
    x = 141,091,431.07/13,332.95
  6. Step 6: Final answer
    x = 10,582.16

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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.