Home / 26,128.58-36,060.54-15,518.23

Finding the Fourth Proportional to 26,128.58, 36,060.54 and 15,518.23

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Solution

The fourth proportional to 26,128.58, 36,060.54 and 15,518.23 is: 21,417.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,128.58 : 36,060.54 = 15,518.23 : x
  2. Step 2: Convert to fraction form
    26,128.58/36,060.54 = 15,518.23/x
  3. Step 3: Cross multiply
    26,128.58x = 36,060.54 × 15,518.23
  4. Step 4: Simplify right side
    26,128.58x = 559,595,895.43
  5. Step 5: Solve for x
    x = 559,595,895.43/26,128.58
  6. Step 6: Final answer
    x = 21,417.01

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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.