Home / 15,095.55-20,828.10-9,046.75

Finding the Fourth Proportional to 15,095.55, 20,828.10 and 9,046.75

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Solution

The fourth proportional to 15,095.55, 20,828.10 and 9,046.75 is: 12,482.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,095.55 : 20,828.10 = 9,046.75 : x
  2. Step 2: Convert to fraction form
    15,095.55/20,828.10 = 9,046.75/x
  3. Step 3: Cross multiply
    15,095.55x = 20,828.10 × 9,046.75
  4. Step 4: Simplify right side
    15,095.55x = 188,426,499.67
  5. Step 5: Solve for x
    x = 188,426,499.67/15,095.55
  6. Step 6: Final answer
    x = 12,482.26

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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.