Home / 22,772.04-31,424.58-12,700.32

Finding the Fourth Proportional to 22,772.04, 31,424.58 and 12,700.32

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Solution

The fourth proportional to 22,772.04, 31,424.58 and 12,700.32 is: 17,525.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,772.04 : 31,424.58 = 12,700.32 : x
  2. Step 2: Convert to fraction form
    22,772.04/31,424.58 = 12,700.32/x
  3. Step 3: Cross multiply
    22,772.04x = 31,424.58 × 12,700.32
  4. Step 4: Simplify right side
    22,772.04x = 399,102,221.87
  5. Step 5: Solve for x
    x = 399,102,221.87/22,772.04
  6. Step 6: Final answer
    x = 17,525.98

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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.