Home / 14,013.93-19,339.23-7,640.52

Finding the Fourth Proportional to 14,013.93, 19,339.23 and 7,640.52

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Solution

The fourth proportional to 14,013.93, 19,339.23 and 7,640.52 is: 10,543.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013.93 : 19,339.23 = 7,640.52 : x
  2. Step 2: Convert to fraction form
    14,013.93/19,339.23 = 7,640.52/x
  3. Step 3: Cross multiply
    14,013.93x = 19,339.23 × 7,640.52
  4. Step 4: Simplify right side
    14,013.93x = 147,761,773.60
  5. Step 5: Solve for x
    x = 147,761,773.60/14,013.93
  6. Step 6: Final answer
    x = 10,543.92

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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.