Home / 22,883.62-31,573.95-13,931.02

Finding the Fourth Proportional to 22,883.62, 31,573.95 and 13,931.02

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Solution

The fourth proportional to 22,883.62, 31,573.95 and 13,931.02 is: 19,221.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,883.62 : 31,573.95 = 13,931.02 : x
  2. Step 2: Convert to fraction form
    22,883.62/31,573.95 = 13,931.02/x
  3. Step 3: Cross multiply
    22,883.62x = 31,573.95 × 13,931.02
  4. Step 4: Simplify right side
    22,883.62x = 439,857,328.93
  5. Step 5: Solve for x
    x = 439,857,328.93/22,883.62
  6. Step 6: Final answer
    x = 19,221.49

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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.