Home / 13,341.60-18,411.75-7,373.52

Finding the Fourth Proportional to 13,341.60, 18,411.75 and 7,373.52

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Solution

The fourth proportional to 13,341.60, 18,411.75 and 7,373.52 is: 10,175.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,341.60 : 18,411.75 = 7,373.52 : x
  2. Step 2: Convert to fraction form
    13,341.60/18,411.75 = 7,373.52/x
  3. Step 3: Cross multiply
    13,341.60x = 18,411.75 × 7,373.52
  4. Step 4: Simplify right side
    13,341.60x = 135,759,406.86
  5. Step 5: Solve for x
    x = 135,759,406.86/13,341.60
  6. Step 6: Final answer
    x = 10,175.65

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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.