Home / 13,567.05-18,717.50-10,377.07

Finding the Fourth Proportional to 13,567.05, 18,717.50 and 10,377.07

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Solution

The fourth proportional to 13,567.05, 18,717.50 and 10,377.07 is: 14,316.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567.05 : 18,717.50 = 10,377.07 : x
  2. Step 2: Convert to fraction form
    13,567.05/18,717.50 = 10,377.07/x
  3. Step 3: Cross multiply
    13,567.05x = 18,717.50 × 10,377.07
  4. Step 4: Simplify right side
    13,567.05x = 194,232,786.87
  5. Step 5: Solve for x
    x = 194,232,786.87/13,567.05
  6. Step 6: Final answer
    x = 14,316.51

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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.