Home / 13,303.47-18,336.60-11,416.98

Finding the Fourth Proportional to 13,303.47, 18,336.60 and 11,416.98

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Solution

The fourth proportional to 13,303.47, 18,336.60 and 11,416.98 is: 15,736.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.47 : 18,336.60 = 11,416.98 : x
  2. Step 2: Convert to fraction form
    13,303.47/18,336.60 = 11,416.98/x
  3. Step 3: Cross multiply
    13,303.47x = 18,336.60 × 11,416.98
  4. Step 4: Simplify right side
    13,303.47x = 209,348,595.47
  5. Step 5: Solve for x
    x = 209,348,595.47/13,303.47
  6. Step 6: Final answer
    x = 15,736.39

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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.