Home / 26,973.72-40,477.86-13,115.16

Finding the Fourth Proportional to 26,973.72, 40,477.86 and 13,115.16

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Solution

The fourth proportional to 26,973.72, 40,477.86 and 13,115.16 is: 19,681.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,973.72 : 40,477.86 = 13,115.16 : x
  2. Step 2: Convert to fraction form
    26,973.72/40,477.86 = 13,115.16/x
  3. Step 3: Cross multiply
    26,973.72x = 40,477.86 × 13,115.16
  4. Step 4: Simplify right side
    26,973.72x = 530,873,610.36
  5. Step 5: Solve for x
    x = 530,873,610.36/26,973.72
  6. Step 6: Final answer
    x = 19,681.14

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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.