Home / 14,135.09-19,507.32-7,847.46

Finding the Fourth Proportional to 14,135.09, 19,507.32 and 7,847.46

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Solution

The fourth proportional to 14,135.09, 19,507.32 and 7,847.46 is: 10,830.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,135.09 : 19,507.32 = 7,847.46 : x
  2. Step 2: Convert to fraction form
    14,135.09/19,507.32 = 7,847.46/x
  3. Step 3: Cross multiply
    14,135.09x = 19,507.32 × 7,847.46
  4. Step 4: Simplify right side
    14,135.09x = 153,082,913.41
  5. Step 5: Solve for x
    x = 153,082,913.41/14,135.09
  6. Step 6: Final answer
    x = 10,830.00

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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.