Home / 15,803.08-23,705.70-5,272.72

Finding the Fourth Proportional to 15,803.08, 23,705.70 and 5,272.72

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Solution

The fourth proportional to 15,803.08, 23,705.70 and 5,272.72 is: 7,909.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,803.08 : 23,705.70 = 5,272.72 : x
  2. Step 2: Convert to fraction form
    15,803.08/23,705.70 = 5,272.72/x
  3. Step 3: Cross multiply
    15,803.08x = 23,705.70 × 5,272.72
  4. Step 4: Simplify right side
    15,803.08x = 124,993,518.50
  5. Step 5: Solve for x
    x = 124,993,518.50/15,803.08
  6. Step 6: Final answer
    x = 7,909.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.