Home / 15,887.03-23,830.64-4,200.13

Finding the Fourth Proportional to 15,887.03, 23,830.64 and 4,200.13

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Solution

The fourth proportional to 15,887.03, 23,830.64 and 4,200.13 is: 6,300.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,887.03 : 23,830.64 = 4,200.13 : x
  2. Step 2: Convert to fraction form
    15,887.03/23,830.64 = 4,200.13/x
  3. Step 3: Cross multiply
    15,887.03x = 23,830.64 × 4,200.13
  4. Step 4: Simplify right side
    15,887.03x = 100,091,785.98
  5. Step 5: Solve for x
    x = 100,091,785.98/15,887.03
  6. Step 6: Final answer
    x = 6,300.22

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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.