Home / 15,925.65-21,919.38-14,024.79

Finding the Fourth Proportional to 15,925.65, 21,919.38 and 14,024.79

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Solution

The fourth proportional to 15,925.65, 21,919.38 and 14,024.79 is: 19,303.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,925.65 : 21,919.38 = 14,024.79 : x
  2. Step 2: Convert to fraction form
    15,925.65/21,919.38 = 14,024.79/x
  3. Step 3: Cross multiply
    15,925.65x = 21,919.38 × 14,024.79
  4. Step 4: Simplify right side
    15,925.65x = 307,414,701.43
  5. Step 5: Solve for x
    x = 307,414,701.43/15,925.65
  6. Step 6: Final answer
    x = 19,303.12

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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.