Home / 19,369.62-26,727.87-10,870.59

Finding the Fourth Proportional to 19,369.62, 26,727.87 and 10,870.59

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Solution

The fourth proportional to 19,369.62, 26,727.87 and 10,870.59 is: 15,000.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,369.62 : 26,727.87 = 10,870.59 : x
  2. Step 2: Convert to fraction form
    19,369.62/26,727.87 = 10,870.59/x
  3. Step 3: Cross multiply
    19,369.62x = 26,727.87 × 10,870.59
  4. Step 4: Simplify right side
    19,369.62x = 290,547,716.34
  5. Step 5: Solve for x
    x = 290,547,716.34/19,369.62
  6. Step 6: Final answer
    x = 15,000.18

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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.