Home / 14,307.48-19,739.66-9,275.64

Finding the Fourth Proportional to 14,307.48, 19,739.66 and 9,275.64

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Solution

The fourth proportional to 14,307.48, 19,739.66 and 9,275.64 is: 12,797.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,307.48 : 19,739.66 = 9,275.64 : x
  2. Step 2: Convert to fraction form
    14,307.48/19,739.66 = 9,275.64/x
  3. Step 3: Cross multiply
    14,307.48x = 19,739.66 × 9,275.64
  4. Step 4: Simplify right side
    14,307.48x = 183,097,979.88
  5. Step 5: Solve for x
    x = 183,097,979.88/14,307.48
  6. Step 6: Final answer
    x = 12,797.36

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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.