Home / 22,555.35-31,125.02-12,483.18

Finding the Fourth Proportional to 22,555.35, 31,125.02 and 12,483.18

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Solution

The fourth proportional to 22,555.35, 31,125.02 and 12,483.18 is: 17,226.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,555.35 : 31,125.02 = 12,483.18 : x
  2. Step 2: Convert to fraction form
    22,555.35/31,125.02 = 12,483.18/x
  3. Step 3: Cross multiply
    22,555.35x = 31,125.02 × 12,483.18
  4. Step 4: Simplify right side
    22,555.35x = 388,539,227.16
  5. Step 5: Solve for x
    x = 388,539,227.16/22,555.35
  6. Step 6: Final answer
    x = 17,226.03

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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.