Home / 14,702.04-20,272.68-13,285.35

Finding the Fourth Proportional to 14,702.04, 20,272.68 and 13,285.35

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Solution

The fourth proportional to 14,702.04, 20,272.68 and 13,285.35 is: 18,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,702.04 : 20,272.68 = 13,285.35 : x
  2. Step 2: Convert to fraction form
    14,702.04/20,272.68 = 13,285.35/x
  3. Step 3: Cross multiply
    14,702.04x = 20,272.68 × 13,285.35
  4. Step 4: Simplify right side
    14,702.04x = 269,329,649.24
  5. Step 5: Solve for x
    x = 269,329,649.24/14,702.04
  6. Step 6: Final answer
    x = 18,319.20

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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.