Home / 19,915.04-27,482.75-10,962.50

Finding the Fourth Proportional to 19,915.04, 27,482.75 and 10,962.50

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Solution

The fourth proportional to 19,915.04, 27,482.75 and 10,962.50 is: 15,128.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,915.04 : 27,482.75 = 10,962.50 : x
  2. Step 2: Convert to fraction form
    19,915.04/27,482.75 = 10,962.50/x
  3. Step 3: Cross multiply
    19,915.04x = 27,482.75 × 10,962.50
  4. Step 4: Simplify right side
    19,915.04x = 301,279,646.88
  5. Step 5: Solve for x
    x = 301,279,646.88/19,915.04
  6. Step 6: Final answer
    x = 15,128.25

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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.