Home / 14,204.88-19,602.80-8,240.08

Finding the Fourth Proportional to 14,204.88, 19,602.80 and 8,240.08

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Solution

The fourth proportional to 14,204.88, 19,602.80 and 8,240.08 is: 11,371.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,204.88 : 19,602.80 = 8,240.08 : x
  2. Step 2: Convert to fraction form
    14,204.88/19,602.80 = 8,240.08/x
  3. Step 3: Cross multiply
    14,204.88x = 19,602.80 × 8,240.08
  4. Step 4: Simplify right side
    14,204.88x = 161,528,640.22
  5. Step 5: Solve for x
    x = 161,528,640.22/14,204.88
  6. Step 6: Final answer
    x = 11,371.35

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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.