Home / 19,184.64-28,664.96-14,165.76

Finding the Fourth Proportional to 19,184.64, 28,664.96 and 14,165.76

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Solution

The fourth proportional to 19,184.64, 28,664.96 and 14,165.76 is: 21,165.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,184.64 : 28,664.96 = 14,165.76 : x
  2. Step 2: Convert to fraction form
    19,184.64/28,664.96 = 14,165.76/x
  3. Step 3: Cross multiply
    19,184.64x = 28,664.96 × 14,165.76
  4. Step 4: Simplify right side
    19,184.64x = 406,060,943.77
  5. Step 5: Solve for x
    x = 406,060,943.77/19,184.64
  6. Step 6: Final answer
    x = 21,165.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.