Home / 19,261.54-26,581.53-10,878.58

Finding the Fourth Proportional to 19,261.54, 26,581.53 and 10,878.58

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Solution

The fourth proportional to 19,261.54, 26,581.53 and 10,878.58 is: 15,012.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,261.54 : 26,581.53 = 10,878.58 : x
  2. Step 2: Convert to fraction form
    19,261.54/26,581.53 = 10,878.58/x
  3. Step 3: Cross multiply
    19,261.54x = 26,581.53 × 10,878.58
  4. Step 4: Simplify right side
    19,261.54x = 289,169,300.63
  5. Step 5: Solve for x
    x = 289,169,300.63/19,261.54
  6. Step 6: Final answer
    x = 15,012.78

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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.