Home / 19,420.34-26,799.80-10,922.46

Finding the Fourth Proportional to 19,420.34, 26,799.80 and 10,922.46

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Solution

The fourth proportional to 19,420.34, 26,799.80 and 10,922.46 is: 15,072.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,420.34 : 26,799.80 = 10,922.46 : x
  2. Step 2: Convert to fraction form
    19,420.34/26,799.80 = 10,922.46/x
  3. Step 3: Cross multiply
    19,420.34x = 26,799.80 × 10,922.46
  4. Step 4: Simplify right side
    19,420.34x = 292,719,743.51
  5. Step 5: Solve for x
    x = 292,719,743.51/19,420.34
  6. Step 6: Final answer
    x = 15,072.84

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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.