Home / 22,699.04-31,325.28-12,628.50

Finding the Fourth Proportional to 22,699.04, 31,325.28 and 12,628.50

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Solution

The fourth proportional to 22,699.04, 31,325.28 and 12,628.50 is: 17,427.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,699.04 : 31,325.28 = 12,628.50 : x
  2. Step 2: Convert to fraction form
    22,699.04/31,325.28 = 12,628.50/x
  3. Step 3: Cross multiply
    22,699.04x = 31,325.28 × 12,628.50
  4. Step 4: Simplify right side
    22,699.04x = 395,591,298.48
  5. Step 5: Solve for x
    x = 395,591,298.48/22,699.04
  6. Step 6: Final answer
    x = 17,427.67

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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.