Home / 19,989.60-29,858.54-14,677.62

Finding the Fourth Proportional to 19,989.60, 29,858.54 and 14,677.62

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Solution

The fourth proportional to 19,989.60, 29,858.54 and 14,677.62 is: 21,924.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,989.60 : 29,858.54 = 14,677.62 : x
  2. Step 2: Convert to fraction form
    19,989.60/29,858.54 = 14,677.62/x
  3. Step 3: Cross multiply
    19,989.60x = 29,858.54 × 14,677.62
  4. Step 4: Simplify right side
    19,989.60x = 438,252,303.87
  5. Step 5: Solve for x
    x = 438,252,303.87/19,989.60
  6. Step 6: Final answer
    x = 21,924.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.