Home / 28,953.11-43,469.53-14,731.20

Finding the Fourth Proportional to 28,953.11, 43,469.53 and 14,731.20

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Solution

The fourth proportional to 28,953.11, 43,469.53 and 14,731.20 is: 22,117.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,953.11 : 43,469.53 = 14,731.20 : x
  2. Step 2: Convert to fraction form
    28,953.11/43,469.53 = 14,731.20/x
  3. Step 3: Cross multiply
    28,953.11x = 43,469.53 × 14,731.20
  4. Step 4: Simplify right side
    28,953.11x = 640,358,303.51
  5. Step 5: Solve for x
    x = 640,358,303.51/28,953.11
  6. Step 6: Final answer
    x = 22,117.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.