Home / 14,999.07-20,698.74-9,030.99

Finding the Fourth Proportional to 14,999.07, 20,698.74 and 9,030.99

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Solution

The fourth proportional to 14,999.07, 20,698.74 and 9,030.99 is: 12,462.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,999.07 : 20,698.74 = 9,030.99 : x
  2. Step 2: Convert to fraction form
    14,999.07/20,698.74 = 9,030.99/x
  3. Step 3: Cross multiply
    14,999.07x = 20,698.74 × 9,030.99
  4. Step 4: Simplify right side
    14,999.07x = 186,930,113.95
  5. Step 5: Solve for x
    x = 186,930,113.95/14,999.07
  6. Step 6: Final answer
    x = 12,462.78

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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.