Home / 13,173.23-19,775.28-10,401.77

Finding the Fourth Proportional to 13,173.23, 19,775.28 and 10,401.77

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Solution

The fourth proportional to 13,173.23, 19,775.28 and 10,401.77 is: 15,614.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173.23 : 19,775.28 = 10,401.77 : x
  2. Step 2: Convert to fraction form
    13,173.23/19,775.28 = 10,401.77/x
  3. Step 3: Cross multiply
    13,173.23x = 19,775.28 × 10,401.77
  4. Step 4: Simplify right side
    13,173.23x = 205,697,914.25
  5. Step 5: Solve for x
    x = 205,697,914.25/13,173.23
  6. Step 6: Final answer
    x = 15,614.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.