Home / 14,298.40-19,714.63-12,305.53

Finding the Fourth Proportional to 14,298.40, 19,714.63 and 12,305.53

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Solution

The fourth proportional to 14,298.40, 19,714.63 and 12,305.53 is: 16,966.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,298.40 : 19,714.63 = 12,305.53 : x
  2. Step 2: Convert to fraction form
    14,298.40/19,714.63 = 12,305.53/x
  3. Step 3: Cross multiply
    14,298.40x = 19,714.63 × 12,305.53
  4. Step 4: Simplify right side
    14,298.40x = 242,598,810.80
  5. Step 5: Solve for x
    x = 242,598,810.80/14,298.40
  6. Step 6: Final answer
    x = 16,966.86

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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.