Home / 22,357.02-30,852.54-12,285.57

Finding the Fourth Proportional to 22,357.02, 30,852.54 and 12,285.57

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Solution

The fourth proportional to 22,357.02, 30,852.54 and 12,285.57 is: 16,954.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,357.02 : 30,852.54 = 12,285.57 : x
  2. Step 2: Convert to fraction form
    22,357.02/30,852.54 = 12,285.57/x
  3. Step 3: Cross multiply
    22,357.02x = 30,852.54 × 12,285.57
  4. Step 4: Simplify right side
    22,357.02x = 379,041,039.85
  5. Step 5: Solve for x
    x = 379,041,039.85/22,357.02
  6. Step 6: Final answer
    x = 16,954.01

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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.