Home / 18,955.48-26,159.88-10,571.98

Finding the Fourth Proportional to 18,955.48, 26,159.88 and 10,571.98

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Solution

The fourth proportional to 18,955.48, 26,159.88 and 10,571.98 is: 14,590.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,955.48 : 26,159.88 = 10,571.98 : x
  2. Step 2: Convert to fraction form
    18,955.48/26,159.88 = 10,571.98/x
  3. Step 3: Cross multiply
    18,955.48x = 26,159.88 × 10,571.98
  4. Step 4: Simplify right side
    18,955.48x = 276,561,728.16
  5. Step 5: Solve for x
    x = 276,561,728.16/18,955.48
  6. Step 6: Final answer
    x = 14,590.07

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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.