Home / 15,165.70-22,712.10-7,365.40

Finding the Fourth Proportional to 15,165.70, 22,712.10 and 7,365.40

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Solution

The fourth proportional to 15,165.70, 22,712.10 and 7,365.40 is: 11,030.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,165.70 : 22,712.10 = 7,365.40 : x
  2. Step 2: Convert to fraction form
    15,165.70/22,712.10 = 7,365.40/x
  3. Step 3: Cross multiply
    15,165.70x = 22,712.10 × 7,365.40
  4. Step 4: Simplify right side
    15,165.70x = 167,283,701.34
  5. Step 5: Solve for x
    x = 167,283,701.34/15,165.70
  6. Step 6: Final answer
    x = 11,030.40

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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.