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Finding the Fourth Proportional to 14,041.88, 19,369.08 and 9,004.40

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Solution

The fourth proportional to 14,041.88, 19,369.08 and 9,004.40 is: 12,420.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,041.88 : 19,369.08 = 9,004.40 : x
  2. Step 2: Convert to fraction form
    14,041.88/19,369.08 = 9,004.40/x
  3. Step 3: Cross multiply
    14,041.88x = 19,369.08 × 9,004.40
  4. Step 4: Simplify right side
    14,041.88x = 174,406,943.95
  5. Step 5: Solve for x
    x = 174,406,943.95/14,041.88
  6. Step 6: Final answer
    x = 12,420.48

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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.