Home / 15,551.32-21,461.34-9,262.84

Finding the Fourth Proportional to 15,551.32, 21,461.34 and 9,262.84

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Solution

The fourth proportional to 15,551.32, 21,461.34 and 9,262.84 is: 12,783.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,551.32 : 21,461.34 = 9,262.84 : x
  2. Step 2: Convert to fraction form
    15,551.32/21,461.34 = 9,262.84/x
  3. Step 3: Cross multiply
    15,551.32x = 21,461.34 × 9,262.84
  4. Step 4: Simplify right side
    15,551.32x = 198,792,958.61
  5. Step 5: Solve for x
    x = 198,792,958.61/15,551.32
  6. Step 6: Final answer
    x = 12,783.03

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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.