Home / 19,585.40-27,013.88-13,833.60

Finding the Fourth Proportional to 19,585.40, 27,013.88 and 13,833.60

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Solution

The fourth proportional to 19,585.40, 27,013.88 and 13,833.60 is: 19,080.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,585.40 : 27,013.88 = 13,833.60 : x
  2. Step 2: Convert to fraction form
    19,585.40/27,013.88 = 13,833.60/x
  3. Step 3: Cross multiply
    19,585.40x = 27,013.88 × 13,833.60
  4. Step 4: Simplify right side
    19,585.40x = 373,699,210.37
  5. Step 5: Solve for x
    x = 373,699,210.37/19,585.40
  6. Step 6: Final answer
    x = 19,080.50

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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.