Home / 15,017.36-22,520.44-5,153.84

Finding the Fourth Proportional to 15,017.36, 22,520.44 and 5,153.84

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Solution

The fourth proportional to 15,017.36, 22,520.44 and 5,153.84 is: 7,728.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,017.36 : 22,520.44 = 5,153.84 : x
  2. Step 2: Convert to fraction form
    15,017.36/22,520.44 = 5,153.84/x
  3. Step 3: Cross multiply
    15,017.36x = 22,520.44 × 5,153.84
  4. Step 4: Simplify right side
    15,017.36x = 116,066,744.49
  5. Step 5: Solve for x
    x = 116,066,744.49/15,017.36
  6. Step 6: Final answer
    x = 7,728.84

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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.