Home / 19,422.40-26,799.60-10,922.32

Finding the Fourth Proportional to 19,422.40, 26,799.60 and 10,922.32

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Solution

The fourth proportional to 19,422.40, 26,799.60 and 10,922.32 is: 15,070.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,422.40 : 26,799.60 = 10,922.32 : x
  2. Step 2: Convert to fraction form
    19,422.40/26,799.60 = 10,922.32/x
  3. Step 3: Cross multiply
    19,422.40x = 26,799.60 × 10,922.32
  4. Step 4: Simplify right side
    19,422.40x = 292,713,807.07
  5. Step 5: Solve for x
    x = 292,713,807.07/19,422.40
  6. Step 6: Final answer
    x = 15,070.94

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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.