Home / 14,112.02-19,475.47-7,824.40

Finding the Fourth Proportional to 14,112.02, 19,475.47 and 7,824.40

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Solution

The fourth proportional to 14,112.02, 19,475.47 and 7,824.40 is: 10,798.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112.02 : 19,475.47 = 7,824.40 : x
  2. Step 2: Convert to fraction form
    14,112.02/19,475.47 = 7,824.40/x
  3. Step 3: Cross multiply
    14,112.02x = 19,475.47 × 7,824.40
  4. Step 4: Simplify right side
    14,112.02x = 152,383,730.97
  5. Step 5: Solve for x
    x = 152,383,730.97/14,112.02
  6. Step 6: Final answer
    x = 10,798.15

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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.