Home / 19,422.83-26,818.58-15,166.51

Finding the Fourth Proportional to 19,422.83, 26,818.58 and 15,166.51

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Solution

The fourth proportional to 19,422.83, 26,818.58 and 15,166.51 is: 20,941.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,422.83 : 26,818.58 = 15,166.51 : x
  2. Step 2: Convert to fraction form
    19,422.83/26,818.58 = 15,166.51/x
  3. Step 3: Cross multiply
    19,422.83x = 26,818.58 × 15,166.51
  4. Step 4: Simplify right side
    19,422.83x = 406,744,232.63
  5. Step 5: Solve for x
    x = 406,744,232.63/19,422.83
  6. Step 6: Final answer
    x = 20,941.55

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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.