Home / 13,461.93-18,573.10-7,492.43

Finding the Fourth Proportional to 13,461.93, 18,573.10 and 7,492.43

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Solution

The fourth proportional to 13,461.93, 18,573.10 and 7,492.43 is: 10,337.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,461.93 : 18,573.10 = 7,492.43 : x
  2. Step 2: Convert to fraction form
    13,461.93/18,573.10 = 7,492.43/x
  3. Step 3: Cross multiply
    13,461.93x = 18,573.10 × 7,492.43
  4. Step 4: Simplify right side
    13,461.93x = 139,157,679.33
  5. Step 5: Solve for x
    x = 139,157,679.33/13,461.93
  6. Step 6: Final answer
    x = 10,337.13

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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.