Home / 14,259.41-19,690.59-8,891.01

Finding the Fourth Proportional to 14,259.41, 19,690.59 and 8,891.01

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Solution

The fourth proportional to 14,259.41, 19,690.59 and 8,891.01 is: 12,277.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,259.41 : 19,690.59 = 8,891.01 : x
  2. Step 2: Convert to fraction form
    14,259.41/19,690.59 = 8,891.01/x
  3. Step 3: Cross multiply
    14,259.41x = 19,690.59 × 8,891.01
  4. Step 4: Simplify right side
    14,259.41x = 175,069,232.60
  5. Step 5: Solve for x
    x = 175,069,232.60/14,259.41
  6. Step 6: Final answer
    x = 12,277.45

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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.