Home / 14,422.36-21,587.08-7,749.60

Finding the Fourth Proportional to 14,422.36, 21,587.08 and 7,749.60

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Solution

The fourth proportional to 14,422.36, 21,587.08 and 7,749.60 is: 11,599.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,422.36 : 21,587.08 = 7,749.60 : x
  2. Step 2: Convert to fraction form
    14,422.36/21,587.08 = 7,749.60/x
  3. Step 3: Cross multiply
    14,422.36x = 21,587.08 × 7,749.60
  4. Step 4: Simplify right side
    14,422.36x = 167,291,235.17
  5. Step 5: Solve for x
    x = 167,291,235.17/14,422.36
  6. Step 6: Final answer
    x = 11,599.44

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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.