Home / 26,904.40-37,128.96-14,805.36

Finding the Fourth Proportional to 26,904.40, 37,128.96 and 14,805.36

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Solution

The fourth proportional to 26,904.40, 37,128.96 and 14,805.36 is: 20,431.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,904.40 : 37,128.96 = 14,805.36 : x
  2. Step 2: Convert to fraction form
    26,904.40/37,128.96 = 14,805.36/x
  3. Step 3: Cross multiply
    26,904.40x = 37,128.96 × 14,805.36
  4. Step 4: Simplify right side
    26,904.40x = 549,707,619.23
  5. Step 5: Solve for x
    x = 549,707,619.23/26,904.40
  6. Step 6: Final answer
    x = 20,431.89

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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.