Home / 17,415.95-24,039.50-11,128.32

Finding the Fourth Proportional to 17,415.95, 24,039.50 and 11,128.32

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Solution

The fourth proportional to 17,415.95, 24,039.50 and 11,128.32 is: 15,360.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,415.95 : 24,039.50 = 11,128.32 : x
  2. Step 2: Convert to fraction form
    17,415.95/24,039.50 = 11,128.32/x
  3. Step 3: Cross multiply
    17,415.95x = 24,039.50 × 11,128.32
  4. Step 4: Simplify right side
    17,415.95x = 267,519,193.00
  5. Step 5: Solve for x
    x = 267,519,193.00/17,415.95
  6. Step 6: Final answer
    x = 15,360.59

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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.