Home / 15,017.16-22,415.76-13,243.74

Finding the Fourth Proportional to 15,017.16, 22,415.76 and 13,243.74

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Solution

The fourth proportional to 15,017.16, 22,415.76 and 13,243.74 is: 19,768.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,017.16 : 22,415.76 = 13,243.74 : x
  2. Step 2: Convert to fraction form
    15,017.16/22,415.76 = 13,243.74/x
  3. Step 3: Cross multiply
    15,017.16x = 22,415.76 × 13,243.74
  4. Step 4: Simplify right side
    15,017.16x = 296,868,497.34
  5. Step 5: Solve for x
    x = 296,868,497.34/15,017.16
  6. Step 6: Final answer
    x = 19,768.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.