Home / 13,622.06-18,784.67-9,373.51

Finding the Fourth Proportional to 13,622.06, 18,784.67 and 9,373.51

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Solution

The fourth proportional to 13,622.06, 18,784.67 and 9,373.51 is: 12,925.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,622.06 : 18,784.67 = 9,373.51 : x
  2. Step 2: Convert to fraction form
    13,622.06/18,784.67 = 9,373.51/x
  3. Step 3: Cross multiply
    13,622.06x = 18,784.67 × 9,373.51
  4. Step 4: Simplify right side
    13,622.06x = 176,078,292.09
  5. Step 5: Solve for x
    x = 176,078,292.09/13,622.06
  6. Step 6: Final answer
    x = 12,925.97

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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.