Home / 16,890.65-25,339.59-5,045.36

Finding the Fourth Proportional to 16,890.65, 25,339.59 and 5,045.36

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Solution

The fourth proportional to 16,890.65, 25,339.59 and 5,045.36 is: 7,569.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,890.65 : 25,339.59 = 5,045.36 : x
  2. Step 2: Convert to fraction form
    16,890.65/25,339.59 = 5,045.36/x
  3. Step 3: Cross multiply
    16,890.65x = 25,339.59 × 5,045.36
  4. Step 4: Simplify right side
    16,890.65x = 127,847,227.10
  5. Step 5: Solve for x
    x = 127,847,227.10/16,890.65
  6. Step 6: Final answer
    x = 7,569.11

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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.