Home / 13,567.60-18,734.28-10,068.40

Finding the Fourth Proportional to 13,567.60, 18,734.28 and 10,068.40

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Solution

The fourth proportional to 13,567.60, 18,734.28 and 10,068.40 is: 13,902.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567.60 : 18,734.28 = 10,068.40 : x
  2. Step 2: Convert to fraction form
    13,567.60/18,734.28 = 10,068.40/x
  3. Step 3: Cross multiply
    13,567.60x = 18,734.28 × 10,068.40
  4. Step 4: Simplify right side
    13,567.60x = 188,624,224.75
  5. Step 5: Solve for x
    x = 188,624,224.75/13,567.60
  6. Step 6: Final answer
    x = 13,902.55

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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.