Home / 14,535.36-20,055.72-8,564.88

Finding the Fourth Proportional to 14,535.36, 20,055.72 and 8,564.88

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Solution

The fourth proportional to 14,535.36, 20,055.72 and 8,564.88 is: 11,817.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,535.36 : 20,055.72 = 8,564.88 : x
  2. Step 2: Convert to fraction form
    14,535.36/20,055.72 = 8,564.88/x
  3. Step 3: Cross multiply
    14,535.36x = 20,055.72 × 8,564.88
  4. Step 4: Simplify right side
    14,535.36x = 171,774,835.11
  5. Step 5: Solve for x
    x = 171,774,835.11/14,535.36
  6. Step 6: Final answer
    x = 11,817.72

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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.