Home / 20,004.40-27,541.38-16,461.28

Finding the Fourth Proportional to 20,004.40, 27,541.38 and 16,461.28

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Solution

The fourth proportional to 20,004.40, 27,541.38 and 16,461.28 is: 22,663.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,004.40 : 27,541.38 = 16,461.28 : x
  2. Step 2: Convert to fraction form
    20,004.40/27,541.38 = 16,461.28/x
  3. Step 3: Cross multiply
    20,004.40x = 27,541.38 × 16,461.28
  4. Step 4: Simplify right side
    20,004.40x = 453,366,367.77
  5. Step 5: Solve for x
    x = 453,366,367.77/20,004.40
  6. Step 6: Final answer
    x = 22,663.33

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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.