Home / 19,347.06-26,711.96-12,090.16

Finding the Fourth Proportional to 19,347.06, 26,711.96 and 12,090.16

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Solution

The fourth proportional to 19,347.06, 26,711.96 and 12,090.16 is: 16,692.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,347.06 : 26,711.96 = 12,090.16 : x
  2. Step 2: Convert to fraction form
    19,347.06/26,711.96 = 12,090.16/x
  3. Step 3: Cross multiply
    19,347.06x = 26,711.96 × 12,090.16
  4. Step 4: Simplify right side
    19,347.06x = 322,951,870.31
  5. Step 5: Solve for x
    x = 322,951,870.31/19,347.06
  6. Step 6: Final answer
    x = 16,692.56

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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.