Home / 14,047.95-19,381.68-10,015.44

Finding the Fourth Proportional to 14,047.95, 19,381.68 and 10,015.44

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Solution

The fourth proportional to 14,047.95, 19,381.68 and 10,015.44 is: 13,818.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,047.95 : 19,381.68 = 10,015.44 : x
  2. Step 2: Convert to fraction form
    14,047.95/19,381.68 = 10,015.44/x
  3. Step 3: Cross multiply
    14,047.95x = 19,381.68 × 10,015.44
  4. Step 4: Simplify right side
    14,047.95x = 194,116,015.58
  5. Step 5: Solve for x
    x = 194,116,015.58/14,047.95
  6. Step 6: Final answer
    x = 13,818.10

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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.