Home / 13,247.42-19,868.01-4,931.36

Finding the Fourth Proportional to 13,247.42, 19,868.01 and 4,931.36

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Solution

The fourth proportional to 13,247.42, 19,868.01 and 4,931.36 is: 7,395.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,247.42 : 19,868.01 = 4,931.36 : x
  2. Step 2: Convert to fraction form
    13,247.42/19,868.01 = 4,931.36/x
  3. Step 3: Cross multiply
    13,247.42x = 19,868.01 × 4,931.36
  4. Step 4: Simplify right side
    13,247.42x = 97,976,210.45
  5. Step 5: Solve for x
    x = 97,976,210.45/13,247.42
  6. Step 6: Final answer
    x = 7,395.87

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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.