Home / 26,072.40-39,039.48-13,570.32

Finding the Fourth Proportional to 26,072.40, 39,039.48 and 13,570.32

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Solution

The fourth proportional to 26,072.40, 39,039.48 and 13,570.32 is: 20,319.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,072.40 : 39,039.48 = 13,570.32 : x
  2. Step 2: Convert to fraction form
    26,072.40/39,039.48 = 13,570.32/x
  3. Step 3: Cross multiply
    26,072.40x = 39,039.48 × 13,570.32
  4. Step 4: Simplify right side
    26,072.40x = 529,778,236.23
  5. Step 5: Solve for x
    x = 529,778,236.23/26,072.40
  6. Step 6: Final answer
    x = 20,319.50

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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.