Home / 14,440.95-19,917.84-9,130.65

Finding the Fourth Proportional to 14,440.95, 19,917.84 and 9,130.65

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Solution

The fourth proportional to 14,440.95, 19,917.84 and 9,130.65 is: 12,593.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,440.95 : 19,917.84 = 9,130.65 : x
  2. Step 2: Convert to fraction form
    14,440.95/19,917.84 = 9,130.65/x
  3. Step 3: Cross multiply
    14,440.95x = 19,917.84 × 9,130.65
  4. Step 4: Simplify right side
    14,440.95x = 181,862,785.34
  5. Step 5: Solve for x
    x = 181,862,785.34/14,440.95
  6. Step 6: Final answer
    x = 12,593.55

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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.