Home / 15,782.92-23,674.56-4,690.72

Finding the Fourth Proportional to 15,782.92, 23,674.56 and 4,690.72

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Solution

The fourth proportional to 15,782.92, 23,674.56 and 4,690.72 is: 7,036.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,782.92 : 23,674.56 = 4,690.72 : x
  2. Step 2: Convert to fraction form
    15,782.92/23,674.56 = 4,690.72/x
  3. Step 3: Cross multiply
    15,782.92x = 23,674.56 × 4,690.72
  4. Step 4: Simplify right side
    15,782.92x = 111,050,732.08
  5. Step 5: Solve for x
    x = 111,050,732.08/15,782.92
  6. Step 6: Final answer
    x = 7,036.13

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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.