Home / 13,088.49-18,068.81-10,097.61

Finding the Fourth Proportional to 13,088.49, 18,068.81 and 10,097.61

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Solution

The fourth proportional to 13,088.49, 18,068.81 and 10,097.61 is: 13,939.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,088.49 : 18,068.81 = 10,097.61 : x
  2. Step 2: Convert to fraction form
    13,088.49/18,068.81 = 10,097.61/x
  3. Step 3: Cross multiply
    13,088.49x = 18,068.81 × 10,097.61
  4. Step 4: Simplify right side
    13,088.49x = 182,451,746.06
  5. Step 5: Solve for x
    x = 182,451,746.06/13,088.49
  6. Step 6: Final answer
    x = 13,939.86

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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.