Home / 13,970.96-19,289.80-9,265.04

Finding the Fourth Proportional to 13,970.96, 19,289.80 and 9,265.04

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Solution

The fourth proportional to 13,970.96, 19,289.80 and 9,265.04 is: 12,792.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,970.96 : 19,289.80 = 9,265.04 : x
  2. Step 2: Convert to fraction form
    13,970.96/19,289.80 = 9,265.04/x
  3. Step 3: Cross multiply
    13,970.96x = 19,289.80 × 9,265.04
  4. Step 4: Simplify right side
    13,970.96x = 178,720,768.59
  5. Step 5: Solve for x
    x = 178,720,768.59/13,970.96
  6. Step 6: Final answer
    x = 12,792.30

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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.