Home / 16,929.99-23,369.66-10,215.90

Finding the Fourth Proportional to 16,929.99, 23,369.66 and 10,215.90

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Solution

The fourth proportional to 16,929.99, 23,369.66 and 10,215.90 is: 14,101.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,929.99 : 23,369.66 = 10,215.90 : x
  2. Step 2: Convert to fraction form
    16,929.99/23,369.66 = 10,215.90/x
  3. Step 3: Cross multiply
    16,929.99x = 23,369.66 × 10,215.90
  4. Step 4: Simplify right side
    16,929.99x = 238,742,058.51
  5. Step 5: Solve for x
    x = 238,742,058.51/16,929.99
  6. Step 6: Final answer
    x = 14,101.72

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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.