Home / 16,315.60-22,515.49-9,242.08

Finding the Fourth Proportional to 16,315.60, 22,515.49 and 9,242.08

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Solution

The fourth proportional to 16,315.60, 22,515.49 and 9,242.08 is: 12,754.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,315.60 : 22,515.49 = 9,242.08 : x
  2. Step 2: Convert to fraction form
    16,315.60/22,515.49 = 9,242.08/x
  3. Step 3: Cross multiply
    16,315.60x = 22,515.49 × 9,242.08
  4. Step 4: Simplify right side
    16,315.60x = 208,089,959.82
  5. Step 5: Solve for x
    x = 208,089,959.82/16,315.60
  6. Step 6: Final answer
    x = 12,754.05

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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.