Home / 13,447.42-20,159.58-4,681.19

Finding the Fourth Proportional to 13,447.42, 20,159.58 and 4,681.19

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Solution

The fourth proportional to 13,447.42, 20,159.58 and 4,681.19 is: 7,017.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,447.42 : 20,159.58 = 4,681.19 : x
  2. Step 2: Convert to fraction form
    13,447.42/20,159.58 = 4,681.19/x
  3. Step 3: Cross multiply
    13,447.42x = 20,159.58 × 4,681.19
  4. Step 4: Simplify right side
    13,447.42x = 94,370,892.25
  5. Step 5: Solve for x
    x = 94,370,892.25/13,447.42
  6. Step 6: Final answer
    x = 7,017.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.