Home / 15,223.01-21,022.11-14,394.67

Finding the Fourth Proportional to 15,223.01, 21,022.11 and 14,394.67

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Solution

The fourth proportional to 15,223.01, 21,022.11 and 14,394.67 is: 19,878.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,223.01 : 21,022.11 = 14,394.67 : x
  2. Step 2: Convert to fraction form
    15,223.01/21,022.11 = 14,394.67/x
  3. Step 3: Cross multiply
    15,223.01x = 21,022.11 × 14,394.67
  4. Step 4: Simplify right side
    15,223.01x = 302,606,283.60
  5. Step 5: Solve for x
    x = 302,606,283.60/15,223.01
  6. Step 6: Final answer
    x = 19,878.22

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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.