Home / 13,493.09-18,607.79-10,667.19

Finding the Fourth Proportional to 13,493.09, 18,607.79 and 10,667.19

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Solution

The fourth proportional to 13,493.09, 18,607.79 and 10,667.19 is: 14,710.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,493.09 : 18,607.79 = 10,667.19 : x
  2. Step 2: Convert to fraction form
    13,493.09/18,607.79 = 10,667.19/x
  3. Step 3: Cross multiply
    13,493.09x = 18,607.79 × 10,667.19
  4. Step 4: Simplify right side
    13,493.09x = 198,492,927.86
  5. Step 5: Solve for x
    x = 198,492,927.86/13,493.09
  6. Step 6: Final answer
    x = 14,710.71

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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.