Home / 15,874.64-23,814.58-5,345.60

Finding the Fourth Proportional to 15,874.64, 23,814.58 and 5,345.60

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Solution

The fourth proportional to 15,874.64, 23,814.58 and 5,345.60 is: 8,019.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,874.64 : 23,814.58 = 5,345.60 : x
  2. Step 2: Convert to fraction form
    15,874.64/23,814.58 = 5,345.60/x
  3. Step 3: Cross multiply
    15,874.64x = 23,814.58 × 5,345.60
  4. Step 4: Simplify right side
    15,874.64x = 127,303,218.85
  5. Step 5: Solve for x
    x = 127,303,218.85/15,874.64
  6. Step 6: Final answer
    x = 8,019.28

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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.