Home / 18,368.56-25,349.40-11,297.32

Finding the Fourth Proportional to 18,368.56, 25,349.40 and 11,297.32

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Solution

The fourth proportional to 18,368.56, 25,349.40 and 11,297.32 is: 15,590.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,368.56 : 25,349.40 = 11,297.32 : x
  2. Step 2: Convert to fraction form
    18,368.56/25,349.40 = 11,297.32/x
  3. Step 3: Cross multiply
    18,368.56x = 25,349.40 × 11,297.32
  4. Step 4: Simplify right side
    18,368.56x = 286,380,283.61
  5. Step 5: Solve for x
    x = 286,380,283.61/18,368.56
  6. Step 6: Final answer
    x = 15,590.79

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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.