Home / 25,355.60-38,033.40-11,315.60

Finding the Fourth Proportional to 25,355.60, 38,033.40 and 11,315.60

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Solution

The fourth proportional to 25,355.60, 38,033.40 and 11,315.60 is: 16,973.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,355.60 : 38,033.40 = 11,315.60 : x
  2. Step 2: Convert to fraction form
    25,355.60/38,033.40 = 11,315.60/x
  3. Step 3: Cross multiply
    25,355.60x = 38,033.40 × 11,315.60
  4. Step 4: Simplify right side
    25,355.60x = 430,370,741.04
  5. Step 5: Solve for x
    x = 430,370,741.04/25,355.60
  6. Step 6: Final answer
    x = 16,973.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.