Home / 15,173.03-22,769.81-5,312.39

Finding the Fourth Proportional to 15,173.03, 22,769.81 and 5,312.39

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Solution

The fourth proportional to 15,173.03, 22,769.81 and 5,312.39 is: 7,972.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,173.03 : 22,769.81 = 5,312.39 : x
  2. Step 2: Convert to fraction form
    15,173.03/22,769.81 = 5,312.39/x
  3. Step 3: Cross multiply
    15,173.03x = 22,769.81 × 5,312.39
  4. Step 4: Simplify right side
    15,173.03x = 120,961,970.53
  5. Step 5: Solve for x
    x = 120,961,970.53/15,173.03
  6. Step 6: Final answer
    x = 7,972.17

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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.