Home / 13,300.61-18,354.60-7,332.84

Finding the Fourth Proportional to 13,300.61, 18,354.60 and 7,332.84

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Solution

The fourth proportional to 13,300.61, 18,354.60 and 7,332.84 is: 10,119.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,300.61 : 18,354.60 = 7,332.84 : x
  2. Step 2: Convert to fraction form
    13,300.61/18,354.60 = 7,332.84/x
  3. Step 3: Cross multiply
    13,300.61x = 18,354.60 × 7,332.84
  4. Step 4: Simplify right side
    13,300.61x = 134,591,345.06
  5. Step 5: Solve for x
    x = 134,591,345.06/13,300.61
  6. Step 6: Final answer
    x = 10,119.19

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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.