Home / 13,772.27-19,011.55-9,302.08

Finding the Fourth Proportional to 13,772.27, 19,011.55 and 9,302.08

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Solution

The fourth proportional to 13,772.27, 19,011.55 and 9,302.08 is: 12,840.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772.27 : 19,011.55 = 9,302.08 : x
  2. Step 2: Convert to fraction form
    13,772.27/19,011.55 = 9,302.08/x
  3. Step 3: Cross multiply
    13,772.27x = 19,011.55 × 9,302.08
  4. Step 4: Simplify right side
    13,772.27x = 176,846,959.02
  5. Step 5: Solve for x
    x = 176,846,959.02/13,772.27
  6. Step 6: Final answer
    x = 12,840.80

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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.