Home / 26,663.99-36,784.83-15,330.87

Finding the Fourth Proportional to 26,663.99, 36,784.83 and 15,330.87

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Solution

The fourth proportional to 26,663.99, 36,784.83 and 15,330.87 is: 21,150.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,663.99 : 36,784.83 = 15,330.87 : x
  2. Step 2: Convert to fraction form
    26,663.99/36,784.83 = 15,330.87/x
  3. Step 3: Cross multiply
    26,663.99x = 36,784.83 × 15,330.87
  4. Step 4: Simplify right side
    26,663.99x = 563,943,504.19
  5. Step 5: Solve for x
    x = 563,943,504.19/26,663.99
  6. Step 6: Final answer
    x = 21,150.01

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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.