Home / 18,303.02-25,256.77-10,345.99

Finding the Fourth Proportional to 18,303.02, 25,256.77 and 10,345.99

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Solution

The fourth proportional to 18,303.02, 25,256.77 and 10,345.99 is: 14,276.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,303.02 : 25,256.77 = 10,345.99 : x
  2. Step 2: Convert to fraction form
    18,303.02/25,256.77 = 10,345.99/x
  3. Step 3: Cross multiply
    18,303.02x = 25,256.77 × 10,345.99
  4. Step 4: Simplify right side
    18,303.02x = 261,306,289.85
  5. Step 5: Solve for x
    x = 261,306,289.85/18,303.02
  6. Step 6: Final answer
    x = 14,276.68

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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.