Home / 22,310.71-33,455.29-12,953.08

Finding the Fourth Proportional to 22,310.71, 33,455.29 and 12,953.08

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Solution

The fourth proportional to 22,310.71, 33,455.29 and 12,953.08 is: 19,423.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,310.71 : 33,455.29 = 12,953.08 : x
  2. Step 2: Convert to fraction form
    22,310.71/33,455.29 = 12,953.08/x
  3. Step 3: Cross multiply
    22,310.71x = 33,455.29 × 12,953.08
  4. Step 4: Simplify right side
    22,310.71x = 433,349,047.79
  5. Step 5: Solve for x
    x = 433,349,047.79/22,310.71
  6. Step 6: Final answer
    x = 19,423.36

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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.