Home / 15,036.06-20,742.84-9,732.58

Finding the Fourth Proportional to 15,036.06, 20,742.84 and 9,732.58

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Solution

The fourth proportional to 15,036.06, 20,742.84 and 9,732.58 is: 13,426.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,036.06 : 20,742.84 = 9,732.58 : x
  2. Step 2: Convert to fraction form
    15,036.06/20,742.84 = 9,732.58/x
  3. Step 3: Cross multiply
    15,036.06x = 20,742.84 × 9,732.58
  4. Step 4: Simplify right side
    15,036.06x = 201,881,349.73
  5. Step 5: Solve for x
    x = 201,881,349.73/15,036.06
  6. Step 6: Final answer
    x = 13,426.48

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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.