Home / 19,101.06-26,386.04-18,166.88

Finding the Fourth Proportional to 19,101.06, 26,386.04 and 18,166.88

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Solution

The fourth proportional to 19,101.06, 26,386.04 and 18,166.88 is: 25,095.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,101.06 : 26,386.04 = 18,166.88 : x
  2. Step 2: Convert to fraction form
    19,101.06/26,386.04 = 18,166.88/x
  3. Step 3: Cross multiply
    19,101.06x = 26,386.04 × 18,166.88
  4. Step 4: Simplify right side
    19,101.06x = 479,352,133.74
  5. Step 5: Solve for x
    x = 479,352,133.74/19,101.06
  6. Step 6: Final answer
    x = 25,095.58

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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.