Home / 14,181.20-19,570.05-7,895.06

Finding the Fourth Proportional to 14,181.20, 19,570.05 and 7,895.06

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Solution

The fourth proportional to 14,181.20, 19,570.05 and 7,895.06 is: 10,895.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,181.20 : 19,570.05 = 7,895.06 : x
  2. Step 2: Convert to fraction form
    14,181.20/19,570.05 = 7,895.06/x
  3. Step 3: Cross multiply
    14,181.20x = 19,570.05 × 7,895.06
  4. Step 4: Simplify right side
    14,181.20x = 154,506,621.10
  5. Step 5: Solve for x
    x = 154,506,621.10/14,181.20
  6. Step 6: Final answer
    x = 10,895.18

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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.