Home / 18,946.26-28,417.14-5,807.70

Finding the Fourth Proportional to 18,946.26, 28,417.14 and 5,807.70

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Solution

The fourth proportional to 18,946.26, 28,417.14 and 5,807.70 is: 8,710.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,946.26 : 28,417.14 = 5,807.70 : x
  2. Step 2: Convert to fraction form
    18,946.26/28,417.14 = 5,807.70/x
  3. Step 3: Cross multiply
    18,946.26x = 28,417.14 × 5,807.70
  4. Step 4: Simplify right side
    18,946.26x = 165,038,223.98
  5. Step 5: Solve for x
    x = 165,038,223.98/18,946.26
  6. Step 6: Final answer
    x = 8,710.86

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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.