Home / 30,895.14-42,639.83-19,565.67

Finding the Fourth Proportional to 30,895.14, 42,639.83 and 19,565.67

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Solution

The fourth proportional to 30,895.14, 42,639.83 and 19,565.67 is: 27,003.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,895.14 : 42,639.83 = 19,565.67 : x
  2. Step 2: Convert to fraction form
    30,895.14/42,639.83 = 19,565.67/x
  3. Step 3: Cross multiply
    30,895.14x = 42,639.83 × 19,565.67
  4. Step 4: Simplify right side
    30,895.14x = 834,276,842.64
  5. Step 5: Solve for x
    x = 834,276,842.64/30,895.14
  6. Step 6: Final answer
    x = 27,003.50

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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.