Home / 14,167.36-21,238.08-7,240.24

Finding the Fourth Proportional to 14,167.36, 21,238.08 and 7,240.24

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Solution

The fourth proportional to 14,167.36, 21,238.08 and 7,240.24 is: 10,853.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,167.36 : 21,238.08 = 7,240.24 : x
  2. Step 2: Convert to fraction form
    14,167.36/21,238.08 = 7,240.24/x
  3. Step 3: Cross multiply
    14,167.36x = 21,238.08 × 7,240.24
  4. Step 4: Simplify right side
    14,167.36x = 153,768,796.34
  5. Step 5: Solve for x
    x = 153,768,796.34/14,167.36
  6. Step 6: Final answer
    x = 10,853.74

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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.