Home / 14,929.80-22,394.70-12,305.40

Finding the Fourth Proportional to 14,929.80, 22,394.70 and 12,305.40

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Solution

The fourth proportional to 14,929.80, 22,394.70 and 12,305.40 is: 18,458.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,929.80 : 22,394.70 = 12,305.40 : x
  2. Step 2: Convert to fraction form
    14,929.80/22,394.70 = 12,305.40/x
  3. Step 3: Cross multiply
    14,929.80x = 22,394.70 × 12,305.40
  4. Step 4: Simplify right side
    14,929.80x = 275,575,741.38
  5. Step 5: Solve for x
    x = 275,575,741.38/14,929.80
  6. Step 6: Final answer
    x = 18,458.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.