Home / 13,300.74-18,354.18-7,332.45

Finding the Fourth Proportional to 13,300.74, 18,354.18 and 7,332.45

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Solution

The fourth proportional to 13,300.74, 18,354.18 and 7,332.45 is: 10,118.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,300.74 : 18,354.18 = 7,332.45 : x
  2. Step 2: Convert to fraction form
    13,300.74/18,354.18 = 7,332.45/x
  3. Step 3: Cross multiply
    13,300.74x = 18,354.18 × 7,332.45
  4. Step 4: Simplify right side
    13,300.74x = 134,581,107.14
  5. Step 5: Solve for x
    x = 134,581,107.14/13,300.74
  6. Step 6: Final answer
    x = 10,118.32

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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.