Home / 15,350.84-21,182.28-9,683.46

Finding the Fourth Proportional to 15,350.84, 21,182.28 and 9,683.46

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Solution

The fourth proportional to 15,350.84, 21,182.28 and 9,683.46 is: 13,361.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,350.84 : 21,182.28 = 9,683.46 : x
  2. Step 2: Convert to fraction form
    15,350.84/21,182.28 = 9,683.46/x
  3. Step 3: Cross multiply
    15,350.84x = 21,182.28 × 9,683.46
  4. Step 4: Simplify right side
    15,350.84x = 205,117,761.09
  5. Step 5: Solve for x
    x = 205,117,761.09/15,350.84
  6. Step 6: Final answer
    x = 13,361.99

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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.