Home / 22,975.56-31,706.04-12,904.14

Finding the Fourth Proportional to 22,975.56, 31,706.04 and 12,904.14

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Solution

The fourth proportional to 22,975.56, 31,706.04 and 12,904.14 is: 17,807.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,975.56 : 31,706.04 = 12,904.14 : x
  2. Step 2: Convert to fraction form
    22,975.56/31,706.04 = 12,904.14/x
  3. Step 3: Cross multiply
    22,975.56x = 31,706.04 × 12,904.14
  4. Step 4: Simplify right side
    22,975.56x = 409,139,179.01
  5. Step 5: Solve for x
    x = 409,139,179.01/22,975.56
  6. Step 6: Final answer
    x = 17,807.58

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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.