Home / 13,911.36-19,216.08-10,368.42

Finding the Fourth Proportional to 13,911.36, 19,216.08 and 10,368.42

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Solution

The fourth proportional to 13,911.36, 19,216.08 and 10,368.42 is: 14,322.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,911.36 : 19,216.08 = 10,368.42 : x
  2. Step 2: Convert to fraction form
    13,911.36/19,216.08 = 10,368.42/x
  3. Step 3: Cross multiply
    13,911.36x = 19,216.08 × 10,368.42
  4. Step 4: Simplify right side
    13,911.36x = 199,240,388.19
  5. Step 5: Solve for x
    x = 199,240,388.19/13,911.36
  6. Step 6: Final answer
    x = 14,322.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.