Home / 22,975.77-31,707.28-12,904.44

Finding the Fourth Proportional to 22,975.77, 31,707.28 and 12,904.44

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Solution

The fourth proportional to 22,975.77, 31,707.28 and 12,904.44 is: 17,808.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,975.77 : 31,707.28 = 12,904.44 : x
  2. Step 2: Convert to fraction form
    22,975.77/31,707.28 = 12,904.44/x
  3. Step 3: Cross multiply
    22,975.77x = 31,707.28 × 12,904.44
  4. Step 4: Simplify right side
    22,975.77x = 409,164,692.32
  5. Step 5: Solve for x
    x = 409,164,692.32/22,975.77
  6. Step 6: Final answer
    x = 17,808.53

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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.