Home / 13,495.16-18,621.90-7,525.70

Finding the Fourth Proportional to 13,495.16, 18,621.90 and 7,525.70

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Solution

The fourth proportional to 13,495.16, 18,621.90 and 7,525.70 is: 10,384.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,495.16 : 18,621.90 = 7,525.70 : x
  2. Step 2: Convert to fraction form
    13,495.16/18,621.90 = 7,525.70/x
  3. Step 3: Cross multiply
    13,495.16x = 18,621.90 × 7,525.70
  4. Step 4: Simplify right side
    13,495.16x = 140,142,832.83
  5. Step 5: Solve for x
    x = 140,142,832.83/13,495.16
  6. Step 6: Final answer
    x = 10,384.67

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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.