Home / 19,880.02-27,434.93-10,927.75

Finding the Fourth Proportional to 19,880.02, 27,434.93 and 10,927.75

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Solution

The fourth proportional to 19,880.02, 27,434.93 and 10,927.75 is: 15,080.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,880.02 : 27,434.93 = 10,927.75 : x
  2. Step 2: Convert to fraction form
    19,880.02/27,434.93 = 10,927.75/x
  3. Step 3: Cross multiply
    19,880.02x = 27,434.93 × 10,927.75
  4. Step 4: Simplify right side
    19,880.02x = 299,802,056.31
  5. Step 5: Solve for x
    x = 299,802,056.31/19,880.02
  6. Step 6: Final answer
    x = 15,080.57

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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.