Home / 22,555.88-31,126.66-12,483.74

Finding the Fourth Proportional to 22,555.88, 31,126.66 and 12,483.74

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Solution

The fourth proportional to 22,555.88, 31,126.66 and 12,483.74 is: 17,227.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,555.88 : 31,126.66 = 12,483.74 : x
  2. Step 2: Convert to fraction form
    22,555.88/31,126.66 = 12,483.74/x
  3. Step 3: Cross multiply
    22,555.88x = 31,126.66 × 12,483.74
  4. Step 4: Simplify right side
    22,555.88x = 388,577,130.51
  5. Step 5: Solve for x
    x = 388,577,130.51/22,555.88
  6. Step 6: Final answer
    x = 17,227.31

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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.