Home / 19,066.98-28,746.75-17,780.72

Finding the Fourth Proportional to 19,066.98, 28,746.75 and 17,780.72

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Solution

The fourth proportional to 19,066.98, 28,746.75 and 17,780.72 is: 26,807.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,066.98 : 28,746.75 = 17,780.72 : x
  2. Step 2: Convert to fraction form
    19,066.98/28,746.75 = 17,780.72/x
  3. Step 3: Cross multiply
    19,066.98x = 28,746.75 × 17,780.72
  4. Step 4: Simplify right side
    19,066.98x = 511,137,912.66
  5. Step 5: Solve for x
    x = 511,137,912.66/19,066.98
  6. Step 6: Final answer
    x = 26,807.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.