Home / 19,860.60-27,407.61-11,477.10

Finding the Fourth Proportional to 19,860.60, 27,407.61 and 11,477.10

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Solution

The fourth proportional to 19,860.60, 27,407.61 and 11,477.10 is: 15,838.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,860.60 : 27,407.61 = 11,477.10 : x
  2. Step 2: Convert to fraction form
    19,860.60/27,407.61 = 11,477.10/x
  3. Step 3: Cross multiply
    19,860.60x = 27,407.61 × 11,477.10
  4. Step 4: Simplify right side
    19,860.60x = 314,559,880.73
  5. Step 5: Solve for x
    x = 314,559,880.73/19,860.60
  6. Step 6: Final answer
    x = 15,838.39

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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.