Home / 14,221.68-19,625.40-7,848.36

Finding the Fourth Proportional to 14,221.68, 19,625.40 and 7,848.36

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Solution

The fourth proportional to 14,221.68, 19,625.40 and 7,848.36 is: 10,830.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,221.68 : 19,625.40 = 7,848.36 : x
  2. Step 2: Convert to fraction form
    14,221.68/19,625.40 = 7,848.36/x
  3. Step 3: Cross multiply
    14,221.68x = 19,625.40 × 7,848.36
  4. Step 4: Simplify right side
    14,221.68x = 154,027,204.34
  5. Step 5: Solve for x
    x = 154,027,204.34/14,221.68
  6. Step 6: Final answer
    x = 10,830.45

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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.