Home / 28,525.50-42,772.59-9,795.06

Finding the Fourth Proportional to 28,525.50, 42,772.59 and 9,795.06

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Solution

The fourth proportional to 28,525.50, 42,772.59 and 9,795.06 is: 14,687.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,525.50 : 42,772.59 = 9,795.06 : x
  2. Step 2: Convert to fraction form
    28,525.50/42,772.59 = 9,795.06/x
  3. Step 3: Cross multiply
    28,525.50x = 42,772.59 × 9,795.06
  4. Step 4: Simplify right side
    28,525.50x = 418,960,085.41
  5. Step 5: Solve for x
    x = 418,960,085.41/28,525.50
  6. Step 6: Final answer
    x = 14,687.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.