Home / 15,574.07-21,492.23-8,500.49

Finding the Fourth Proportional to 15,574.07, 21,492.23 and 8,500.49

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Solution

The fourth proportional to 15,574.07, 21,492.23 and 8,500.49 is: 11,730.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,574.07 : 21,492.23 = 8,500.49 : x
  2. Step 2: Convert to fraction form
    15,574.07/21,492.23 = 8,500.49/x
  3. Step 3: Cross multiply
    15,574.07x = 21,492.23 × 8,500.49
  4. Step 4: Simplify right side
    15,574.07x = 182,694,336.23
  5. Step 5: Solve for x
    x = 182,694,336.23/15,574.07
  6. Step 6: Final answer
    x = 11,730.68

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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.