Home / 20,842.84-28,733.24-14,864.16

Finding the Fourth Proportional to 20,842.84, 28,733.24 and 14,864.16

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Solution

The fourth proportional to 20,842.84, 28,733.24 and 14,864.16 is: 20,491.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,842.84 : 28,733.24 = 14,864.16 : x
  2. Step 2: Convert to fraction form
    20,842.84/28,733.24 = 14,864.16/x
  3. Step 3: Cross multiply
    20,842.84x = 28,733.24 × 14,864.16
  4. Step 4: Simplify right side
    20,842.84x = 427,095,476.68
  5. Step 5: Solve for x
    x = 427,095,476.68/20,842.84
  6. Step 6: Final answer
    x = 20,491.23

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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.