Home / 15,333.41-21,154.83-9,962.57

Finding the Fourth Proportional to 15,333.41, 21,154.83 and 9,962.57

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Solution

The fourth proportional to 15,333.41, 21,154.83 and 9,962.57 is: 13,744.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,333.41 : 21,154.83 = 9,962.57 : x
  2. Step 2: Convert to fraction form
    15,333.41/21,154.83 = 9,962.57/x
  3. Step 3: Cross multiply
    15,333.41x = 21,154.83 × 9,962.57
  4. Step 4: Simplify right side
    15,333.41x = 210,756,474.71
  5. Step 5: Solve for x
    x = 210,756,474.71/15,333.41
  6. Step 6: Final answer
    x = 13,744.92

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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.