Home / 14,678.34-20,272.93-9,664.97

Finding the Fourth Proportional to 14,678.34, 20,272.93 and 9,664.97

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Solution

The fourth proportional to 14,678.34, 20,272.93 and 9,664.97 is: 13,348.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,678.34 : 20,272.93 = 9,664.97 : x
  2. Step 2: Convert to fraction form
    14,678.34/20,272.93 = 9,664.97/x
  3. Step 3: Cross multiply
    14,678.34x = 20,272.93 × 9,664.97
  4. Step 4: Simplify right side
    14,678.34x = 195,937,303.14
  5. Step 5: Solve for x
    x = 195,937,303.14/14,678.34
  6. Step 6: Final answer
    x = 13,348.74

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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.