Home / 19,123.26-28,702.17-8,038.14

Finding the Fourth Proportional to 19,123.26, 28,702.17 and 8,038.14

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Solution

The fourth proportional to 19,123.26, 28,702.17 and 8,038.14 is: 12,064.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,123.26 : 28,702.17 = 8,038.14 : x
  2. Step 2: Convert to fraction form
    19,123.26/28,702.17 = 8,038.14/x
  3. Step 3: Cross multiply
    19,123.26x = 28,702.17 × 8,038.14
  4. Step 4: Simplify right side
    19,123.26x = 230,712,060.76
  5. Step 5: Solve for x
    x = 230,712,060.76/19,123.26
  6. Step 6: Final answer
    x = 12,064.47

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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.