Home / 13,733.04-18,952.74-7,767.12

Finding the Fourth Proportional to 13,733.04, 18,952.74 and 7,767.12

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Solution

The fourth proportional to 13,733.04, 18,952.74 and 7,767.12 is: 10,719.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,733.04 : 18,952.74 = 7,767.12 : x
  2. Step 2: Convert to fraction form
    13,733.04/18,952.74 = 7,767.12/x
  3. Step 3: Cross multiply
    13,733.04x = 18,952.74 × 7,767.12
  4. Step 4: Simplify right side
    13,733.04x = 147,208,205.91
  5. Step 5: Solve for x
    x = 147,208,205.91/13,733.04
  6. Step 6: Final answer
    x = 10,719.27

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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.