Home / 14,354.24-19,789.79-9,870.08

Finding the Fourth Proportional to 14,354.24, 19,789.79 and 9,870.08

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Solution

The fourth proportional to 14,354.24, 19,789.79 and 9,870.08 is: 13,607.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,354.24 : 19,789.79 = 9,870.08 : x
  2. Step 2: Convert to fraction form
    14,354.24/19,789.79 = 9,870.08/x
  3. Step 3: Cross multiply
    14,354.24x = 19,789.79 × 9,870.08
  4. Step 4: Simplify right side
    14,354.24x = 195,326,662.18
  5. Step 5: Solve for x
    x = 195,326,662.18/14,354.24
  6. Step 6: Final answer
    x = 13,607.60

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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.