Home / 19,530.32-26,951.90-10,577.79

Finding the Fourth Proportional to 19,530.32, 26,951.90 and 10,577.79

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Solution

The fourth proportional to 19,530.32, 26,951.90 and 10,577.79 is: 14,597.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,530.32 : 26,951.90 = 10,577.79 : x
  2. Step 2: Convert to fraction form
    19,530.32/26,951.90 = 10,577.79/x
  3. Step 3: Cross multiply
    19,530.32x = 26,951.90 × 10,577.79
  4. Step 4: Simplify right side
    19,530.32x = 285,091,485.41
  5. Step 5: Solve for x
    x = 285,091,485.41/19,530.32
  6. Step 6: Final answer
    x = 14,597.38

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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.