Home / 19,877.06-27,430.36-10,924.49

Finding the Fourth Proportional to 19,877.06, 27,430.36 and 10,924.49

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Solution

The fourth proportional to 19,877.06, 27,430.36 and 10,924.49 is: 15,075.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,877.06 : 27,430.36 = 10,924.49 : x
  2. Step 2: Convert to fraction form
    19,877.06/27,430.36 = 10,924.49/x
  3. Step 3: Cross multiply
    19,877.06x = 27,430.36 × 10,924.49
  4. Step 4: Simplify right side
    19,877.06x = 299,662,734.78
  5. Step 5: Solve for x
    x = 299,662,734.78/19,877.06
  6. Step 6: Final answer
    x = 15,075.81

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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.