Home / 14,988.99-20,690.88-9,025.77

Finding the Fourth Proportional to 14,988.99, 20,690.88 and 9,025.77

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Solution

The fourth proportional to 14,988.99, 20,690.88 and 9,025.77 is: 12,459.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,988.99 : 20,690.88 = 9,025.77 : x
  2. Step 2: Convert to fraction form
    14,988.99/20,690.88 = 9,025.77/x
  3. Step 3: Cross multiply
    14,988.99x = 20,690.88 × 9,025.77
  4. Step 4: Simplify right side
    14,988.99x = 186,751,123.98
  5. Step 5: Solve for x
    x = 186,751,123.98/14,988.99
  6. Step 6: Final answer
    x = 12,459.22

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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.