Home / 15,027.48-20,745.16-10,000.08

Finding the Fourth Proportional to 15,027.48, 20,745.16 and 10,000.08

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Solution

The fourth proportional to 15,027.48, 20,745.16 and 10,000.08 is: 13,804.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,027.48 : 20,745.16 = 10,000.08 : x
  2. Step 2: Convert to fraction form
    15,027.48/20,745.16 = 10,000.08/x
  3. Step 3: Cross multiply
    15,027.48x = 20,745.16 × 10,000.08
  4. Step 4: Simplify right side
    15,027.48x = 207,453,259.61
  5. Step 5: Solve for x
    x = 207,453,259.61/15,027.48
  6. Step 6: Final answer
    x = 13,804.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.