Home / 14,302.23-19,736.55-7,929.09

Finding the Fourth Proportional to 14,302.23, 19,736.55 and 7,929.09

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Solution

The fourth proportional to 14,302.23, 19,736.55 and 7,929.09 is: 10,941.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,302.23 : 19,736.55 = 7,929.09 : x
  2. Step 2: Convert to fraction form
    14,302.23/19,736.55 = 7,929.09/x
  3. Step 3: Cross multiply
    14,302.23x = 19,736.55 × 7,929.09
  4. Step 4: Simplify right side
    14,302.23x = 156,492,881.24
  5. Step 5: Solve for x
    x = 156,492,881.24/14,302.23
  6. Step 6: Final answer
    x = 10,941.85

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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.