Home / 19,069.86-28,733.84-15,854.70

Finding the Fourth Proportional to 19,069.86, 28,733.84 and 15,854.70

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Solution

The fourth proportional to 19,069.86, 28,733.84 and 15,854.70 is: 23,889.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,069.86 : 28,733.84 = 15,854.70 : x
  2. Step 2: Convert to fraction form
    19,069.86/28,733.84 = 15,854.70/x
  3. Step 3: Cross multiply
    19,069.86x = 28,733.84 × 15,854.70
  4. Step 4: Simplify right side
    19,069.86x = 455,566,333.77
  5. Step 5: Solve for x
    x = 455,566,333.77/19,069.86
  6. Step 6: Final answer
    x = 23,889.34

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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.