Home / 18,891.04-26,068.88-10,507.36

Finding the Fourth Proportional to 18,891.04, 26,068.88 and 10,507.36

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Solution

The fourth proportional to 18,891.04, 26,068.88 and 10,507.36 is: 14,499.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,891.04 : 26,068.88 = 10,507.36 : x
  2. Step 2: Convert to fraction form
    18,891.04/26,068.88 = 10,507.36/x
  3. Step 3: Cross multiply
    18,891.04x = 26,068.88 × 10,507.36
  4. Step 4: Simplify right side
    18,891.04x = 273,915,106.96
  5. Step 5: Solve for x
    x = 273,915,106.96/18,891.04
  6. Step 6: Final answer
    x = 14,499.74

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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.