Home / 13,140.18-19,714.32-4,592.49

Finding the Fourth Proportional to 13,140.18, 19,714.32 and 4,592.49

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Solution

The fourth proportional to 13,140.18, 19,714.32 and 4,592.49 is: 6,890.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,140.18 : 19,714.32 = 4,592.49 : x
  2. Step 2: Convert to fraction form
    13,140.18/19,714.32 = 4,592.49/x
  3. Step 3: Cross multiply
    13,140.18x = 19,714.32 × 4,592.49
  4. Step 4: Simplify right side
    13,140.18x = 90,537,817.46
  5. Step 5: Solve for x
    x = 90,537,817.46/13,140.18
  6. Step 6: Final answer
    x = 6,890.15

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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.