Home / 19,426.19-26,809.70-10,927.80

Finding the Fourth Proportional to 19,426.19, 26,809.70 and 10,927.80

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Solution

The fourth proportional to 19,426.19, 26,809.70 and 10,927.80 is: 15,081.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,426.19 : 26,809.70 = 10,927.80 : x
  2. Step 2: Convert to fraction form
    19,426.19/26,809.70 = 10,927.80/x
  3. Step 3: Cross multiply
    19,426.19x = 26,809.70 × 10,927.80
  4. Step 4: Simplify right side
    19,426.19x = 292,971,129.63
  5. Step 5: Solve for x
    x = 292,971,129.63/19,426.19
  6. Step 6: Final answer
    x = 15,081.25

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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.