Home / 13,585.84-18,759.54-11,068.36

Finding the Fourth Proportional to 13,585.84, 18,759.54 and 11,068.36

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Solution

The fourth proportional to 13,585.84, 18,759.54 and 11,068.36 is: 15,283.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,585.84 : 18,759.54 = 11,068.36 : x
  2. Step 2: Convert to fraction form
    13,585.84/18,759.54 = 11,068.36/x
  3. Step 3: Cross multiply
    13,585.84x = 18,759.54 × 11,068.36
  4. Step 4: Simplify right side
    13,585.84x = 207,637,342.15
  5. Step 5: Solve for x
    x = 207,637,342.15/13,585.84
  6. Step 6: Final answer
    x = 15,283.36

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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.