Home / 14,199.81-19,598.66-9,420.04

Finding the Fourth Proportional to 14,199.81, 19,598.66 and 9,420.04

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Solution

The fourth proportional to 14,199.81, 19,598.66 and 9,420.04 is: 13,001.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,199.81 : 19,598.66 = 9,420.04 : x
  2. Step 2: Convert to fraction form
    14,199.81/19,598.66 = 9,420.04/x
  3. Step 3: Cross multiply
    14,199.81x = 19,598.66 × 9,420.04
  4. Step 4: Simplify right side
    14,199.81x = 184,620,161.15
  5. Step 5: Solve for x
    x = 184,620,161.15/14,199.81
  6. Step 6: Final answer
    x = 13,001.59

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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.