Home / 13,263.70-18,306.51-7,602.25

Finding the Fourth Proportional to 13,263.70, 18,306.51 and 7,602.25

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Solution

The fourth proportional to 13,263.70, 18,306.51 and 7,602.25 is: 10,492.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263.70 : 18,306.51 = 7,602.25 : x
  2. Step 2: Convert to fraction form
    13,263.70/18,306.51 = 7,602.25/x
  3. Step 3: Cross multiply
    13,263.70x = 18,306.51 × 7,602.25
  4. Step 4: Simplify right side
    13,263.70x = 139,170,587.98
  5. Step 5: Solve for x
    x = 139,170,587.98/13,263.70
  6. Step 6: Final answer
    x = 10,492.59

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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.