Home / 16,870.65-25,305.96-5,182.35

Finding the Fourth Proportional to 16,870.65, 25,305.96 and 5,182.35

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Solution

The fourth proportional to 16,870.65, 25,305.96 and 5,182.35 is: 7,773.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,870.65 : 25,305.96 = 5,182.35 : x
  2. Step 2: Convert to fraction form
    16,870.65/25,305.96 = 5,182.35/x
  3. Step 3: Cross multiply
    16,870.65x = 25,305.96 × 5,182.35
  4. Step 4: Simplify right side
    16,870.65x = 131,144,341.81
  5. Step 5: Solve for x
    x = 131,144,341.81/16,870.65
  6. Step 6: Final answer
    x = 7,773.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.