Home / 13,444.10-20,172.15-4,685.30

Finding the Fourth Proportional to 13,444.10, 20,172.15 and 4,685.30

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Solution

The fourth proportional to 13,444.10, 20,172.15 and 4,685.30 is: 7,030.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444.10 : 20,172.15 = 4,685.30 : x
  2. Step 2: Convert to fraction form
    13,444.10/20,172.15 = 4,685.30/x
  3. Step 3: Cross multiply
    13,444.10x = 20,172.15 × 4,685.30
  4. Step 4: Simplify right side
    13,444.10x = 94,512,574.40
  5. Step 5: Solve for x
    x = 94,512,574.40/13,444.10
  6. Step 6: Final answer
    x = 7,030.04

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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.