Home / 22,935.20-31,651.48-14,870.64

Finding the Fourth Proportional to 22,935.20, 31,651.48 and 14,870.64

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Solution

The fourth proportional to 22,935.20, 31,651.48 and 14,870.64 is: 20,522.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,935.20 : 31,651.48 = 14,870.64 : x
  2. Step 2: Convert to fraction form
    22,935.20/31,651.48 = 14,870.64/x
  3. Step 3: Cross multiply
    22,935.20x = 31,651.48 × 14,870.64
  4. Step 4: Simplify right side
    22,935.20x = 470,677,764.55
  5. Step 5: Solve for x
    x = 470,677,764.55/22,935.20
  6. Step 6: Final answer
    x = 20,522.07

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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.