Home / 13,937.04-19,210.68-12,792.96

Finding the Fourth Proportional to 13,937.04, 19,210.68 and 12,792.96

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Solution

The fourth proportional to 13,937.04, 19,210.68 and 12,792.96 is: 17,633.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,937.04 : 19,210.68 = 12,792.96 : x
  2. Step 2: Convert to fraction form
    13,937.04/19,210.68 = 12,792.96/x
  3. Step 3: Cross multiply
    13,937.04x = 19,210.68 × 12,792.96
  4. Step 4: Simplify right side
    13,937.04x = 245,761,460.81
  5. Step 5: Solve for x
    x = 245,761,460.81/13,937.04
  6. Step 6: Final answer
    x = 17,633.69

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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.