Home / 14,528.70-20,055.71-12,302.12

Finding the Fourth Proportional to 14,528.70, 20,055.71 and 12,302.12

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Solution

The fourth proportional to 14,528.70, 20,055.71 and 12,302.12 is: 16,982.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,528.70 : 20,055.71 = 12,302.12 : x
  2. Step 2: Convert to fraction form
    14,528.70/20,055.71 = 12,302.12/x
  3. Step 3: Cross multiply
    14,528.70x = 20,055.71 × 12,302.12
  4. Step 4: Simplify right side
    14,528.70x = 246,727,751.11
  5. Step 5: Solve for x
    x = 246,727,751.11/14,528.70
  6. Step 6: Final answer
    x = 16,982.09

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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.