Home / 15,113.79-22,670.69-5,253.08

Finding the Fourth Proportional to 15,113.79, 22,670.69 and 5,253.08

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Solution

The fourth proportional to 15,113.79, 22,670.69 and 5,253.08 is: 7,879.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,113.79 : 22,670.69 = 5,253.08 : x
  2. Step 2: Convert to fraction form
    15,113.79/22,670.69 = 5,253.08/x
  3. Step 3: Cross multiply
    15,113.79x = 22,670.69 × 5,253.08
  4. Step 4: Simplify right side
    15,113.79x = 119,090,808.61
  5. Step 5: Solve for x
    x = 119,090,808.61/15,113.79
  6. Step 6: Final answer
    x = 7,879.61

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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.