Home / 22,653.47-31,256.75-13,700.80

Finding the Fourth Proportional to 22,653.47, 31,256.75 and 13,700.80

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Solution

The fourth proportional to 22,653.47, 31,256.75 and 13,700.80 is: 18,904.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,653.47 : 31,256.75 = 13,700.80 : x
  2. Step 2: Convert to fraction form
    22,653.47/31,256.75 = 13,700.80/x
  3. Step 3: Cross multiply
    22,653.47x = 31,256.75 × 13,700.80
  4. Step 4: Simplify right side
    22,653.47x = 428,242,480.40
  5. Step 5: Solve for x
    x = 428,242,480.40/22,653.47
  6. Step 6: Final answer
    x = 18,904.06

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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.