Home / 19,655.08-27,123.09-10,702.54

Finding the Fourth Proportional to 19,655.08, 27,123.09 and 10,702.54

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Solution

The fourth proportional to 19,655.08, 27,123.09 and 10,702.54 is: 14,769.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,655.08 : 27,123.09 = 10,702.54 : x
  2. Step 2: Convert to fraction form
    19,655.08/27,123.09 = 10,702.54/x
  3. Step 3: Cross multiply
    19,655.08x = 27,123.09 × 10,702.54
  4. Step 4: Simplify right side
    19,655.08x = 290,285,949.42
  5. Step 5: Solve for x
    x = 290,285,949.42/19,655.08
  6. Step 6: Final answer
    x = 14,769.01

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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.