Home / 15,138.19-22,710.93-4,749.94

Finding the Fourth Proportional to 15,138.19, 22,710.93 and 4,749.94

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Solution

The fourth proportional to 15,138.19, 22,710.93 and 4,749.94 is: 7,126.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,138.19 : 22,710.93 = 4,749.94 : x
  2. Step 2: Convert to fraction form
    15,138.19/22,710.93 = 4,749.94/x
  3. Step 3: Cross multiply
    15,138.19x = 22,710.93 × 4,749.94
  4. Step 4: Simplify right side
    15,138.19x = 107,875,554.84
  5. Step 5: Solve for x
    x = 107,875,554.84/15,138.19
  6. Step 6: Final answer
    x = 7,126.05

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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.