Home / 19,385.32-26,752.40-10,888.94

Finding the Fourth Proportional to 19,385.32, 26,752.40 and 10,888.94

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Solution

The fourth proportional to 19,385.32, 26,752.40 and 10,888.94 is: 15,027.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,385.32 : 26,752.40 = 10,888.94 : x
  2. Step 2: Convert to fraction form
    19,385.32/26,752.40 = 10,888.94/x
  3. Step 3: Cross multiply
    19,385.32x = 26,752.40 × 10,888.94
  4. Step 4: Simplify right side
    19,385.32x = 291,305,278.46
  5. Step 5: Solve for x
    x = 291,305,278.46/19,385.32
  6. Step 6: Final answer
    x = 15,027.11

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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.