Home / 13,101.17-18,088.65-12,264.63

Finding the Fourth Proportional to 13,101.17, 18,088.65 and 12,264.63

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Solution

The fourth proportional to 13,101.17, 18,088.65 and 12,264.63 is: 16,933.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,101.17 : 18,088.65 = 12,264.63 : x
  2. Step 2: Convert to fraction form
    13,101.17/18,088.65 = 12,264.63/x
  3. Step 3: Cross multiply
    13,101.17x = 18,088.65 × 12,264.63
  4. Step 4: Simplify right side
    13,101.17x = 221,850,599.45
  5. Step 5: Solve for x
    x = 221,850,599.45/13,101.17
  6. Step 6: Final answer
    x = 16,933.65

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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.