Home / 13,903.58-19,186.93-7,530.17

Finding the Fourth Proportional to 13,903.58, 19,186.93 and 7,530.17

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Solution

The fourth proportional to 13,903.58, 19,186.93 and 7,530.17 is: 10,391.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,903.58 : 19,186.93 = 7,530.17 : x
  2. Step 2: Convert to fraction form
    13,903.58/19,186.93 = 7,530.17/x
  3. Step 3: Cross multiply
    13,903.58x = 19,186.93 × 7,530.17
  4. Step 4: Simplify right side
    13,903.58x = 144,480,850.45
  5. Step 5: Solve for x
    x = 144,480,850.45/13,903.58
  6. Step 6: Final answer
    x = 10,391.63

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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.