Home / 19,500.12-26,915.58-11,545.08

Finding the Fourth Proportional to 19,500.12, 26,915.58 and 11,545.08

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Solution

The fourth proportional to 19,500.12, 26,915.58 and 11,545.08 is: 15,935.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,500.12 : 26,915.58 = 11,545.08 : x
  2. Step 2: Convert to fraction form
    19,500.12/26,915.58 = 11,545.08/x
  3. Step 3: Cross multiply
    19,500.12x = 26,915.58 × 11,545.08
  4. Step 4: Simplify right side
    19,500.12x = 310,742,524.35
  5. Step 5: Solve for x
    x = 310,742,524.35/19,500.12
  6. Step 6: Final answer
    x = 15,935.42

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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.