Home / 15,013.60-22,533.20-6,706.40

Finding the Fourth Proportional to 15,013.60, 22,533.20 and 6,706.40

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Solution

The fourth proportional to 15,013.60, 22,533.20 and 6,706.40 is: 10,065.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,013.60 : 22,533.20 = 6,706.40 : x
  2. Step 2: Convert to fraction form
    15,013.60/22,533.20 = 6,706.40/x
  3. Step 3: Cross multiply
    15,013.60x = 22,533.20 × 6,706.40
  4. Step 4: Simplify right side
    15,013.60x = 151,116,652.48
  5. Step 5: Solve for x
    x = 151,116,652.48/15,013.60
  6. Step 6: Final answer
    x = 10,065.32

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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.