Home / 19,184.40-28,796.16-18,437.28

Finding the Fourth Proportional to 19,184.40, 28,796.16 and 18,437.28

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Solution

The fourth proportional to 19,184.40, 28,796.16 and 18,437.28 is: 27,674.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,184.40 : 28,796.16 = 18,437.28 : x
  2. Step 2: Convert to fraction form
    19,184.40/28,796.16 = 18,437.28/x
  3. Step 3: Cross multiply
    19,184.40x = 28,796.16 × 18,437.28
  4. Step 4: Simplify right side
    19,184.40x = 530,922,864.84
  5. Step 5: Solve for x
    x = 530,922,864.84/19,184.40
  6. Step 6: Final answer
    x = 27,674.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.