Home / 13,560.33-18,703.59-12,444.87

Finding the Fourth Proportional to 13,560.33, 18,703.59 and 12,444.87

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Solution

The fourth proportional to 13,560.33, 18,703.59 and 12,444.87 is: 17,165.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,560.33 : 18,703.59 = 12,444.87 : x
  2. Step 2: Convert to fraction form
    13,560.33/18,703.59 = 12,444.87/x
  3. Step 3: Cross multiply
    13,560.33x = 18,703.59 × 12,444.87
  4. Step 4: Simplify right side
    13,560.33x = 232,763,746.08
  5. Step 5: Solve for x
    x = 232,763,746.08/13,560.33
  6. Step 6: Final answer
    x = 17,165.05

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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.