Home / 14,403.28-19,875.70-8,029.53

Finding the Fourth Proportional to 14,403.28, 19,875.70 and 8,029.53

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Solution

The fourth proportional to 14,403.28, 19,875.70 and 8,029.53 is: 11,080.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,403.28 : 19,875.70 = 8,029.53 : x
  2. Step 2: Convert to fraction form
    14,403.28/19,875.70 = 8,029.53/x
  3. Step 3: Cross multiply
    14,403.28x = 19,875.70 × 8,029.53
  4. Step 4: Simplify right side
    14,403.28x = 159,592,529.42
  5. Step 5: Solve for x
    x = 159,592,529.42/14,403.28
  6. Step 6: Final answer
    x = 11,080.29

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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.