Home / 19,915.02-27,483.21-10,962.81

Finding the Fourth Proportional to 19,915.02, 27,483.21 and 10,962.81

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Solution

The fourth proportional to 19,915.02, 27,483.21 and 10,962.81 is: 15,128.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,915.02 : 27,483.21 = 10,962.81 : x
  2. Step 2: Convert to fraction form
    19,915.02/27,483.21 = 10,962.81/x
  3. Step 3: Cross multiply
    19,915.02x = 27,483.21 × 10,962.81
  4. Step 4: Simplify right side
    19,915.02x = 301,293,209.42
  5. Step 5: Solve for x
    x = 301,293,209.42/19,915.02
  6. Step 6: Final answer
    x = 15,128.94

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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.