Home / 14,928.90-20,591.30-12,675.23

Finding the Fourth Proportional to 14,928.90, 20,591.30 and 12,675.23

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Solution

The fourth proportional to 14,928.90, 20,591.30 and 12,675.23 is: 17,482.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,928.90 : 20,591.30 = 12,675.23 : x
  2. Step 2: Convert to fraction form
    14,928.90/20,591.30 = 12,675.23/x
  3. Step 3: Cross multiply
    14,928.90x = 20,591.30 × 12,675.23
  4. Step 4: Simplify right side
    14,928.90x = 260,999,400.12
  5. Step 5: Solve for x
    x = 260,999,400.12/14,928.90
  6. Step 6: Final answer
    x = 17,482.83

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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.