Home / 26,875.99-37,126.80-21,533.91

Finding the Fourth Proportional to 26,875.99, 37,126.80 and 21,533.91

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Solution

The fourth proportional to 26,875.99, 37,126.80 and 21,533.91 is: 29,747.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,875.99 : 37,126.80 = 21,533.91 : x
  2. Step 2: Convert to fraction form
    26,875.99/37,126.80 = 21,533.91/x
  3. Step 3: Cross multiply
    26,875.99x = 37,126.80 × 21,533.91
  4. Step 4: Simplify right side
    26,875.99x = 799,485,030.56
  5. Step 5: Solve for x
    x = 799,485,030.56/26,875.99
  6. Step 6: Final answer
    x = 29,747.18

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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.