Home / 13,486.95-18,569.63-11,466.39

Finding the Fourth Proportional to 13,486.95, 18,569.63 and 11,466.39

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Solution

The fourth proportional to 13,486.95, 18,569.63 and 11,466.39 is: 15,787.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486.95 : 18,569.63 = 11,466.39 : x
  2. Step 2: Convert to fraction form
    13,486.95/18,569.63 = 11,466.39/x
  3. Step 3: Cross multiply
    13,486.95x = 18,569.63 × 11,466.39
  4. Step 4: Simplify right side
    13,486.95x = 212,926,562.40
  5. Step 5: Solve for x
    x = 212,926,562.40/13,486.95
  6. Step 6: Final answer
    x = 15,787.60

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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.