Home / 13,167.36-19,750.23-9,289.08

Finding the Fourth Proportional to 13,167.36, 19,750.23 and 9,289.08

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Solution

The fourth proportional to 13,167.36, 19,750.23 and 9,289.08 is: 13,933.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,167.36 : 19,750.23 = 9,289.08 : x
  2. Step 2: Convert to fraction form
    13,167.36/19,750.23 = 9,289.08/x
  3. Step 3: Cross multiply
    13,167.36x = 19,750.23 × 9,289.08
  4. Step 4: Simplify right side
    13,167.36x = 183,461,466.49
  5. Step 5: Solve for x
    x = 183,461,466.49/13,167.36
  6. Step 6: Final answer
    x = 13,933.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.