Home / 19,877.98-27,430.78-10,924.95

Finding the Fourth Proportional to 19,877.98, 27,430.78 and 10,924.95

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Solution

The fourth proportional to 19,877.98, 27,430.78 and 10,924.95 is: 15,075.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,877.98 : 27,430.78 = 10,924.95 : x
  2. Step 2: Convert to fraction form
    19,877.98/27,430.78 = 10,924.95/x
  3. Step 3: Cross multiply
    19,877.98x = 27,430.78 × 10,924.95
  4. Step 4: Simplify right side
    19,877.98x = 299,679,899.96
  5. Step 5: Solve for x
    x = 299,679,899.96/19,877.98
  6. Step 6: Final answer
    x = 15,075.97

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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.