Home / 14,119.96-19,485.40-7,832.32

Finding the Fourth Proportional to 14,119.96, 19,485.40 and 7,832.32

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Solution

The fourth proportional to 14,119.96, 19,485.40 and 7,832.32 is: 10,808.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,119.96 : 19,485.40 = 7,832.32 : x
  2. Step 2: Convert to fraction form
    14,119.96/19,485.40 = 7,832.32/x
  3. Step 3: Cross multiply
    14,119.96x = 19,485.40 × 7,832.32
  4. Step 4: Simplify right side
    14,119.96x = 152,615,888.13
  5. Step 5: Solve for x
    x = 152,615,888.13/14,119.96
  6. Step 6: Final answer
    x = 10,808.52

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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.