Home / 14,275.95-19,702.88-8,310.92

Finding the Fourth Proportional to 14,275.95, 19,702.88 and 8,310.92

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Solution

The fourth proportional to 14,275.95, 19,702.88 and 8,310.92 is: 11,470.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275.95 : 19,702.88 = 8,310.92 : x
  2. Step 2: Convert to fraction form
    14,275.95/19,702.88 = 8,310.92/x
  3. Step 3: Cross multiply
    14,275.95x = 19,702.88 × 8,310.92
  4. Step 4: Simplify right side
    14,275.95x = 163,748,919.38
  5. Step 5: Solve for x
    x = 163,748,919.38/14,275.95
  6. Step 6: Final answer
    x = 11,470.26

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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.