Home / 14,113.73-19,475.55-8,147.32

Finding the Fourth Proportional to 14,113.73, 19,475.55 and 8,147.32

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Solution

The fourth proportional to 14,113.73, 19,475.55 and 8,147.32 is: 11,242.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,113.73 : 19,475.55 = 8,147.32 : x
  2. Step 2: Convert to fraction form
    14,113.73/19,475.55 = 8,147.32/x
  3. Step 3: Cross multiply
    14,113.73x = 19,475.55 × 8,147.32
  4. Step 4: Simplify right side
    14,113.73x = 158,673,547.53
  5. Step 5: Solve for x
    x = 158,673,547.53/14,113.73
  6. Step 6: Final answer
    x = 11,242.49

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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.