Home / 14,866.32-20,518.56-8,577.84

Finding the Fourth Proportional to 14,866.32, 20,518.56 and 8,577.84

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Solution

The fourth proportional to 14,866.32, 20,518.56 and 8,577.84 is: 11,839.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,866.32 : 20,518.56 = 8,577.84 : x
  2. Step 2: Convert to fraction form
    14,866.32/20,518.56 = 8,577.84/x
  3. Step 3: Cross multiply
    14,866.32x = 20,518.56 × 8,577.84
  4. Step 4: Simplify right side
    14,866.32x = 176,004,924.71
  5. Step 5: Solve for x
    x = 176,004,924.71/14,866.32
  6. Step 6: Final answer
    x = 11,839.17

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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.