Home / 22,931.43-31,631.96-14,420.08

Finding the Fourth Proportional to 22,931.43, 31,631.96 and 14,420.08

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Solution

The fourth proportional to 22,931.43, 31,631.96 and 14,420.08 is: 19,891.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,931.43 : 31,631.96 = 14,420.08 : x
  2. Step 2: Convert to fraction form
    22,931.43/31,631.96 = 14,420.08/x
  3. Step 3: Cross multiply
    22,931.43x = 31,631.96 × 14,420.08
  4. Step 4: Simplify right side
    22,931.43x = 456,135,235.60
  5. Step 5: Solve for x
    x = 456,135,235.60/22,931.43
  6. Step 6: Final answer
    x = 19,891.27

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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.