Home / 19,531.57-26,953.61-10,800.31

Finding the Fourth Proportional to 19,531.57, 26,953.61 and 10,800.31

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Solution

The fourth proportional to 19,531.57, 26,953.61 and 10,800.31 is: 14,904.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,531.57 : 26,953.61 = 10,800.31 : x
  2. Step 2: Convert to fraction form
    19,531.57/26,953.61 = 10,800.31/x
  3. Step 3: Cross multiply
    19,531.57x = 26,953.61 × 10,800.31
  4. Step 4: Simplify right side
    19,531.57x = 291,107,343.62
  5. Step 5: Solve for x
    x = 291,107,343.62/19,531.57
  6. Step 6: Final answer
    x = 14,904.45

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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.