Home / 19,261.20-26,580.06-10,877.70

Finding the Fourth Proportional to 19,261.20, 26,580.06 and 10,877.70

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Solution

The fourth proportional to 19,261.20, 26,580.06 and 10,877.70 is: 15,011.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,261.20 : 26,580.06 = 10,877.70 : x
  2. Step 2: Convert to fraction form
    19,261.20/26,580.06 = 10,877.70/x
  3. Step 3: Cross multiply
    19,261.20x = 26,580.06 × 10,877.70
  4. Step 4: Simplify right side
    19,261.20x = 289,129,918.66
  5. Step 5: Solve for x
    x = 289,129,918.66/19,261.20
  6. Step 6: Final answer
    x = 15,011.00

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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.