Home / 15,929.90-21,925.22-14,029.06

Finding the Fourth Proportional to 15,929.90, 21,925.22 and 14,029.06

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Solution

The fourth proportional to 15,929.90, 21,925.22 and 14,029.06 is: 19,308.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,929.90 : 21,925.22 = 14,029.06 : x
  2. Step 2: Convert to fraction form
    15,929.90/21,925.22 = 14,029.06/x
  3. Step 3: Cross multiply
    15,929.90x = 21,925.22 × 14,029.06
  4. Step 4: Simplify right side
    15,929.90x = 307,590,226.89
  5. Step 5: Solve for x
    x = 307,590,226.89/15,929.90
  6. Step 6: Final answer
    x = 19,308.99

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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.