Home / 26,615.03-36,729-14,678.06

Finding the Fourth Proportional to 26,615.03, 36,729 and 14,678.06

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Solution

The fourth proportional to 26,615.03, 36,729 and 14,678.06 is: 20,255.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,615.03 : 36,729 = 14,678.06 : x
  2. Step 2: Convert to fraction form
    26,615.03/36,729 = 14,678.06/x
  3. Step 3: Cross multiply
    26,615.03x = 36,729 × 14,678.06
  4. Step 4: Simplify right side
    26,615.03x = 539,110,282.10
  5. Step 5: Solve for x
    x = 539,110,282.10/26,615.03
  6. Step 6: Final answer
    x = 20,255.86

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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.