Home / 19,686.54-29,543.65-17,804.36

Finding the Fourth Proportional to 19,686.54, 29,543.65 and 17,804.36

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Solution

The fourth proportional to 19,686.54, 29,543.65 and 17,804.36 is: 26,719.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,686.54 : 29,543.65 = 17,804.36 : x
  2. Step 2: Convert to fraction form
    19,686.54/29,543.65 = 17,804.36/x
  3. Step 3: Cross multiply
    19,686.54x = 29,543.65 × 17,804.36
  4. Step 4: Simplify right side
    19,686.54x = 526,005,780.31
  5. Step 5: Solve for x
    x = 526,005,780.31/19,686.54
  6. Step 6: Final answer
    x = 26,719.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.