Home / 19,338.22-26,686.44-10,840.32

Finding the Fourth Proportional to 19,338.22, 26,686.44 and 10,840.32

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Solution

The fourth proportional to 19,338.22, 26,686.44 and 10,840.32 is: 14,959.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,338.22 : 26,686.44 = 10,840.32 : x
  2. Step 2: Convert to fraction form
    19,338.22/26,686.44 = 10,840.32/x
  3. Step 3: Cross multiply
    19,338.22x = 26,686.44 × 10,840.32
  4. Step 4: Simplify right side
    19,338.22x = 289,289,549.26
  5. Step 5: Solve for x
    x = 289,289,549.26/19,338.22
  6. Step 6: Final answer
    x = 14,959.47

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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.