Home / 15,574.37-21,492.69-8,500.83

Finding the Fourth Proportional to 15,574.37, 21,492.69 and 8,500.83

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Solution

The fourth proportional to 15,574.37, 21,492.69 and 8,500.83 is: 11,731.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,574.37 : 21,492.69 = 8,500.83 : x
  2. Step 2: Convert to fraction form
    15,574.37/21,492.69 = 8,500.83/x
  3. Step 3: Cross multiply
    15,574.37x = 21,492.69 × 8,500.83
  4. Step 4: Simplify right side
    15,574.37x = 182,705,703.93
  5. Step 5: Solve for x
    x = 182,705,703.93/15,574.37
  6. Step 6: Final answer
    x = 11,731.18

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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.