Home / 14,988.62-20,692.58-9,021.75

Finding the Fourth Proportional to 14,988.62, 20,692.58 and 9,021.75

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Solution

The fourth proportional to 14,988.62, 20,692.58 and 9,021.75 is: 12,455.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,988.62 : 20,692.58 = 9,021.75 : x
  2. Step 2: Convert to fraction form
    14,988.62/20,692.58 = 9,021.75/x
  3. Step 3: Cross multiply
    14,988.62x = 20,692.58 × 9,021.75
  4. Step 4: Simplify right side
    14,988.62x = 186,683,283.62
  5. Step 5: Solve for x
    x = 186,683,283.62/14,988.62
  6. Step 6: Final answer
    x = 12,455.00

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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.