Home / 19,417.58-26,795.62-10,920.07

Finding the Fourth Proportional to 19,417.58, 26,795.62 and 10,920.07

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Solution

The fourth proportional to 19,417.58, 26,795.62 and 10,920.07 is: 15,069.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,417.58 : 26,795.62 = 10,920.07 : x
  2. Step 2: Convert to fraction form
    19,417.58/26,795.62 = 10,920.07/x
  3. Step 3: Cross multiply
    19,417.58x = 26,795.62 × 10,920.07
  4. Step 4: Simplify right side
    19,417.58x = 292,610,046.09
  5. Step 5: Solve for x
    x = 292,610,046.09/19,417.58
  6. Step 6: Final answer
    x = 15,069.34

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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.