Home / 13,483.47-18,625.32-12,225.93

Finding the Fourth Proportional to 13,483.47, 18,625.32 and 12,225.93

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Solution

The fourth proportional to 13,483.47, 18,625.32 and 12,225.93 is: 16,888.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,483.47 : 18,625.32 = 12,225.93 : x
  2. Step 2: Convert to fraction form
    13,483.47/18,625.32 = 12,225.93/x
  3. Step 3: Cross multiply
    13,483.47x = 18,625.32 × 12,225.93
  4. Step 4: Simplify right side
    13,483.47x = 227,711,858.55
  5. Step 5: Solve for x
    x = 227,711,858.55/13,483.47
  6. Step 6: Final answer
    x = 16,888.22

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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.