Home / 14,528.81-20,046.67-8,558.30

Finding the Fourth Proportional to 14,528.81, 20,046.67 and 8,558.30

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Solution

The fourth proportional to 14,528.81, 20,046.67 and 8,558.30 is: 11,808.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,528.81 : 20,046.67 = 8,558.30 : x
  2. Step 2: Convert to fraction form
    14,528.81/20,046.67 = 8,558.30/x
  3. Step 3: Cross multiply
    14,528.81x = 20,046.67 × 8,558.30
  4. Step 4: Simplify right side
    14,528.81x = 171,565,444.58
  5. Step 5: Solve for x
    x = 171,565,444.58/14,528.81
  6. Step 6: Final answer
    x = 11,808.64

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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.