Home / 19,385.58-26,752.57-10,887.72

Finding the Fourth Proportional to 19,385.58, 26,752.57 and 10,887.72

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Solution

The fourth proportional to 19,385.58, 26,752.57 and 10,887.72 is: 15,025.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,385.58 : 26,752.57 = 10,887.72 : x
  2. Step 2: Convert to fraction form
    19,385.58/26,752.57 = 10,887.72/x
  3. Step 3: Cross multiply
    19,385.58x = 26,752.57 × 10,887.72
  4. Step 4: Simplify right side
    19,385.58x = 291,274,575.63
  5. Step 5: Solve for x
    x = 291,274,575.63/19,385.58
  6. Step 6: Final answer
    x = 15,025.32

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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.