Home / 14,972.86-20,662.50-9,007.98

Finding the Fourth Proportional to 14,972.86, 20,662.50 and 9,007.98

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Solution

The fourth proportional to 14,972.86, 20,662.50 and 9,007.98 is: 12,430.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,972.86 : 20,662.50 = 9,007.98 : x
  2. Step 2: Convert to fraction form
    14,972.86/20,662.50 = 9,007.98/x
  3. Step 3: Cross multiply
    14,972.86x = 20,662.50 × 9,007.98
  4. Step 4: Simplify right side
    14,972.86x = 186,127,386.75
  5. Step 5: Solve for x
    x = 186,127,386.75/14,972.86
  6. Step 6: Final answer
    x = 12,430.98

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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.