Home / 19,953.18-27,535.02-10,878.66

Finding the Fourth Proportional to 19,953.18, 27,535.02 and 10,878.66

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Solution

The fourth proportional to 19,953.18, 27,535.02 and 10,878.66 is: 15,012.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,953.18 : 27,535.02 = 10,878.66 : x
  2. Step 2: Convert to fraction form
    19,953.18/27,535.02 = 10,878.66/x
  3. Step 3: Cross multiply
    19,953.18x = 27,535.02 × 10,878.66
  4. Step 4: Simplify right side
    19,953.18x = 299,544,120.67
  5. Step 5: Solve for x
    x = 299,544,120.67/19,953.18
  6. Step 6: Final answer
    x = 15,012.35

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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.