Home / 22,310.65-33,455.20-12,953.03

Finding the Fourth Proportional to 22,310.65, 33,455.20 and 12,953.03

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Solution

The fourth proportional to 22,310.65, 33,455.20 and 12,953.03 is: 19,423.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,310.65 : 33,455.20 = 12,953.03 : x
  2. Step 2: Convert to fraction form
    22,310.65/33,455.20 = 12,953.03/x
  3. Step 3: Cross multiply
    22,310.65x = 33,455.20 × 12,953.03
  4. Step 4: Simplify right side
    22,310.65x = 433,346,009.60
  5. Step 5: Solve for x
    x = 433,346,009.60/22,310.65
  6. Step 6: Final answer
    x = 19,423.28

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1.5x scale

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.