Home / 28,443.18-42,675.75-11,798.94

Finding the Fourth Proportional to 28,443.18, 42,675.75 and 11,798.94

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Solution

The fourth proportional to 28,443.18, 42,675.75 and 11,798.94 is: 17,702.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,443.18 : 42,675.75 = 11,798.94 : x
  2. Step 2: Convert to fraction form
    28,443.18/42,675.75 = 11,798.94/x
  3. Step 3: Cross multiply
    28,443.18x = 42,675.75 × 11,798.94
  4. Step 4: Simplify right side
    28,443.18x = 503,528,613.71
  5. Step 5: Solve for x
    x = 503,528,613.71/28,443.18
  6. Step 6: Final answer
    x = 17,702.96

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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.