Home / 13,507.02-20,259.63-4,621.50

Finding the Fourth Proportional to 13,507.02, 20,259.63 and 4,621.50

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Solution

The fourth proportional to 13,507.02, 20,259.63 and 4,621.50 is: 6,931.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,507.02 : 20,259.63 = 4,621.50 : x
  2. Step 2: Convert to fraction form
    13,507.02/20,259.63 = 4,621.50/x
  3. Step 3: Cross multiply
    13,507.02x = 20,259.63 × 4,621.50
  4. Step 4: Simplify right side
    13,507.02x = 93,629,880.05
  5. Step 5: Solve for x
    x = 93,629,880.05/13,507.02
  6. Step 6: Final answer
    x = 6,931.94

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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.