Home / 19,555.02-29,332.50-7,865.49

Finding the Fourth Proportional to 19,555.02, 29,332.50 and 7,865.49

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Solution

The fourth proportional to 19,555.02, 29,332.50 and 7,865.49 is: 11,798.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,555.02 : 29,332.50 = 7,865.49 : x
  2. Step 2: Convert to fraction form
    19,555.02/29,332.50 = 7,865.49/x
  3. Step 3: Cross multiply
    19,555.02x = 29,332.50 × 7,865.49
  4. Step 4: Simplify right side
    19,555.02x = 230,714,485.43
  5. Step 5: Solve for x
    x = 230,714,485.43/19,555.02
  6. Step 6: Final answer
    x = 11,798.22

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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.