Home / 13,324.84-18,357.54-12,702.76

Finding the Fourth Proportional to 13,324.84, 18,357.54 and 12,702.76

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Solution

The fourth proportional to 13,324.84, 18,357.54 and 12,702.76 is: 17,500.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324.84 : 18,357.54 = 12,702.76 : x
  2. Step 2: Convert to fraction form
    13,324.84/18,357.54 = 12,702.76/x
  3. Step 3: Cross multiply
    13,324.84x = 18,357.54 × 12,702.76
  4. Step 4: Simplify right side
    13,324.84x = 233,191,424.81
  5. Step 5: Solve for x
    x = 233,191,424.81/13,324.84
  6. Step 6: Final answer
    x = 17,500.50

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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.