Home / 14,595.40-21,878.70-7,193.80

Finding the Fourth Proportional to 14,595.40, 21,878.70 and 7,193.80

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Solution

The fourth proportional to 14,595.40, 21,878.70 and 7,193.80 is: 10,783.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,595.40 : 21,878.70 = 7,193.80 : x
  2. Step 2: Convert to fraction form
    14,595.40/21,878.70 = 7,193.80/x
  3. Step 3: Cross multiply
    14,595.40x = 21,878.70 × 7,193.80
  4. Step 4: Simplify right side
    14,595.40x = 157,390,992.06
  5. Step 5: Solve for x
    x = 157,390,992.06/14,595.40
  6. Step 6: Final answer
    x = 10,783.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.