Home / 18,869.04-26,039.40-11,799.60

Finding the Fourth Proportional to 18,869.04, 26,039.40 and 11,799.60

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Solution

The fourth proportional to 18,869.04, 26,039.40 and 11,799.60 is: 16,283.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,869.04 : 26,039.40 = 11,799.60 : x
  2. Step 2: Convert to fraction form
    18,869.04/26,039.40 = 11,799.60/x
  3. Step 3: Cross multiply
    18,869.04x = 26,039.40 × 11,799.60
  4. Step 4: Simplify right side
    18,869.04x = 307,254,504.24
  5. Step 5: Solve for x
    x = 307,254,504.24/18,869.04
  6. Step 6: Final answer
    x = 16,283.53

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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.