Home / 15,937.66-21,994.68-9,223.60

Finding the Fourth Proportional to 15,937.66, 21,994.68 and 9,223.60

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Solution

The fourth proportional to 15,937.66, 21,994.68 and 9,223.60 is: 12,728.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,937.66 : 21,994.68 = 9,223.60 : x
  2. Step 2: Convert to fraction form
    15,937.66/21,994.68 = 9,223.60/x
  3. Step 3: Cross multiply
    15,937.66x = 21,994.68 × 9,223.60
  4. Step 4: Simplify right side
    15,937.66x = 202,870,130.45
  5. Step 5: Solve for x
    x = 202,870,130.45/15,937.66
  6. Step 6: Final answer
    x = 12,728.98

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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.