Home / 14,157.14-19,537.32-7,783.95

Finding the Fourth Proportional to 14,157.14, 19,537.32 and 7,783.95

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Solution

The fourth proportional to 14,157.14, 19,537.32 and 7,783.95 is: 10,742.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,157.14 : 19,537.32 = 7,783.95 : x
  2. Step 2: Convert to fraction form
    14,157.14/19,537.32 = 7,783.95/x
  3. Step 3: Cross multiply
    14,157.14x = 19,537.32 × 7,783.95
  4. Step 4: Simplify right side
    14,157.14x = 152,077,522.01
  5. Step 5: Solve for x
    x = 152,077,522.01/14,157.14
  6. Step 6: Final answer
    x = 10,742.11

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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.