Home / 14,985.70-22,478.55-5,125.30

Finding the Fourth Proportional to 14,985.70, 22,478.55 and 5,125.30

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Solution

The fourth proportional to 14,985.70, 22,478.55 and 5,125.30 is: 7,687.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,985.70 : 22,478.55 = 5,125.30 : x
  2. Step 2: Convert to fraction form
    14,985.70/22,478.55 = 5,125.30/x
  3. Step 3: Cross multiply
    14,985.70x = 22,478.55 × 5,125.30
  4. Step 4: Simplify right side
    14,985.70x = 115,209,312.32
  5. Step 5: Solve for x
    x = 115,209,312.32/14,985.70
  6. Step 6: Final answer
    x = 7,687.95

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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.