Home / 13,772.44-19,011.79-9,302.25

Finding the Fourth Proportional to 13,772.44, 19,011.79 and 9,302.25

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Solution

The fourth proportional to 13,772.44, 19,011.79 and 9,302.25 is: 12,841.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772.44 : 19,011.79 = 9,302.25 : x
  2. Step 2: Convert to fraction form
    13,772.44/19,011.79 = 9,302.25/x
  3. Step 3: Cross multiply
    13,772.44x = 19,011.79 × 9,302.25
  4. Step 4: Simplify right side
    13,772.44x = 176,852,423.53
  5. Step 5: Solve for x
    x = 176,852,423.53/13,772.44
  6. Step 6: Final answer
    x = 12,841.04

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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.