Home / 15,509.02-23,263.26-5,120.50

Finding the Fourth Proportional to 15,509.02, 23,263.26 and 5,120.50

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Solution

The fourth proportional to 15,509.02, 23,263.26 and 5,120.50 is: 7,680.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,509.02 : 23,263.26 = 5,120.50 : x
  2. Step 2: Convert to fraction form
    15,509.02/23,263.26 = 5,120.50/x
  3. Step 3: Cross multiply
    15,509.02x = 23,263.26 × 5,120.50
  4. Step 4: Simplify right side
    15,509.02x = 119,119,522.83
  5. Step 5: Solve for x
    x = 119,119,522.83/15,509.02
  6. Step 6: Final answer
    x = 7,680.66

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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.