Home / 19,677.21-29,483.01-14,122.23

Finding the Fourth Proportional to 19,677.21, 29,483.01 and 14,122.23

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Solution

The fourth proportional to 19,677.21, 29,483.01 and 14,122.23 is: 21,159.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,677.21 : 29,483.01 = 14,122.23 : x
  2. Step 2: Convert to fraction form
    19,677.21/29,483.01 = 14,122.23/x
  3. Step 3: Cross multiply
    19,677.21x = 29,483.01 × 14,122.23
  4. Step 4: Simplify right side
    19,677.21x = 416,365,848.31
  5. Step 5: Solve for x
    x = 416,365,848.31/19,677.21
  6. Step 6: Final answer
    x = 21,159.80

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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.