Home / 19,261.40-26,585.42-11,308.01

Finding the Fourth Proportional to 19,261.40, 26,585.42 and 11,308.01

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Solution

The fourth proportional to 19,261.40, 26,585.42 and 11,308.01 is: 15,607.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,261.40 : 26,585.42 = 11,308.01 : x
  2. Step 2: Convert to fraction form
    19,261.40/26,585.42 = 11,308.01/x
  3. Step 3: Cross multiply
    19,261.40x = 26,585.42 × 11,308.01
  4. Step 4: Simplify right side
    19,261.40x = 300,628,005.75
  5. Step 5: Solve for x
    x = 300,628,005.75/19,261.40
  6. Step 6: Final answer
    x = 15,607.80

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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.