Home / 19,876.85-27,430.53-10,924.55

Finding the Fourth Proportional to 19,876.85, 27,430.53 and 10,924.55

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Solution

The fourth proportional to 19,876.85, 27,430.53 and 10,924.55 is: 15,076.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,876.85 : 27,430.53 = 10,924.55 : x
  2. Step 2: Convert to fraction form
    19,876.85/27,430.53 = 10,924.55/x
  3. Step 3: Cross multiply
    19,876.85x = 27,430.53 × 10,924.55
  4. Step 4: Simplify right side
    19,876.85x = 299,666,196.51
  5. Step 5: Solve for x
    x = 299,666,196.51/19,876.85
  6. Step 6: Final answer
    x = 15,076.14

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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.