Home / 19,683.34-27,162.47-10,730.84

Finding the Fourth Proportional to 19,683.34, 27,162.47 and 10,730.84

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Solution

The fourth proportional to 19,683.34, 27,162.47 and 10,730.84 is: 14,808.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,683.34 : 27,162.47 = 10,730.84 : x
  2. Step 2: Convert to fraction form
    19,683.34/27,162.47 = 10,730.84/x
  3. Step 3: Cross multiply
    19,683.34x = 27,162.47 × 10,730.84
  4. Step 4: Simplify right side
    19,683.34x = 291,476,065.92
  5. Step 5: Solve for x
    x = 291,476,065.92/19,683.34
  6. Step 6: Final answer
    x = 14,808.26

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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.