Home / 19,139.82-26,412.13-10,641.93

Finding the Fourth Proportional to 19,139.82, 26,412.13 and 10,641.93

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Solution

The fourth proportional to 19,139.82, 26,412.13 and 10,641.93 is: 14,685.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,139.82 : 26,412.13 = 10,641.93 : x
  2. Step 2: Convert to fraction form
    19,139.82/26,412.13 = 10,641.93/x
  3. Step 3: Cross multiply
    19,139.82x = 26,412.13 × 10,641.93
  4. Step 4: Simplify right side
    19,139.82x = 281,076,038.61
  5. Step 5: Solve for x
    x = 281,076,038.61/19,139.82
  6. Step 6: Final answer
    x = 14,685.41

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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.