Home / 22,554.09-31,124.42-12,482.55

Finding the Fourth Proportional to 22,554.09, 31,124.42 and 12,482.55

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Solution

The fourth proportional to 22,554.09, 31,124.42 and 12,482.55 is: 17,225.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,554.09 : 31,124.42 = 12,482.55 : x
  2. Step 2: Convert to fraction form
    22,554.09/31,124.42 = 12,482.55/x
  3. Step 3: Cross multiply
    22,554.09x = 31,124.42 × 12,482.55
  4. Step 4: Simplify right side
    22,554.09x = 388,512,066.46
  5. Step 5: Solve for x
    x = 388,512,066.46/22,554.09
  6. Step 6: Final answer
    x = 17,225.79

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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.