Home / 13,300.67-18,354.60-7,332.22

Finding the Fourth Proportional to 13,300.67, 18,354.60 and 7,332.22

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Solution

The fourth proportional to 13,300.67, 18,354.60 and 7,332.22 is: 10,118.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,300.67 : 18,354.60 = 7,332.22 : x
  2. Step 2: Convert to fraction form
    13,300.67/18,354.60 = 7,332.22/x
  3. Step 3: Cross multiply
    13,300.67x = 18,354.60 × 7,332.22
  4. Step 4: Simplify right side
    13,300.67x = 134,579,988.16
  5. Step 5: Solve for x
    x = 134,579,988.16/13,300.67
  6. Step 6: Final answer
    x = 10,118.28

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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.