Home / 15,415.93-23,125.53-4,887.45

Finding the Fourth Proportional to 15,415.93, 23,125.53 and 4,887.45

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Solution

The fourth proportional to 15,415.93, 23,125.53 and 4,887.45 is: 7,331.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,415.93 : 23,125.53 = 4,887.45 : x
  2. Step 2: Convert to fraction form
    15,415.93/23,125.53 = 4,887.45/x
  3. Step 3: Cross multiply
    15,415.93x = 23,125.53 × 4,887.45
  4. Step 4: Simplify right side
    15,415.93x = 113,024,889.93
  5. Step 5: Solve for x
    x = 113,024,889.93/15,415.93
  6. Step 6: Final answer
    x = 7,331.69

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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.