Home / 13,059.66-18,034.63-9,091.62

Finding the Fourth Proportional to 13,059.66, 18,034.63 and 9,091.62

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Solution

The fourth proportional to 13,059.66, 18,034.63 and 9,091.62 is: 12,555.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,059.66 : 18,034.63 = 9,091.62 : x
  2. Step 2: Convert to fraction form
    13,059.66/18,034.63 = 9,091.62/x
  3. Step 3: Cross multiply
    13,059.66x = 18,034.63 × 9,091.62
  4. Step 4: Simplify right side
    13,059.66x = 163,963,980.07
  5. Step 5: Solve for x
    x = 163,963,980.07/13,059.66
  6. Step 6: Final answer
    x = 12,555.00

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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.