Home / 14,946.78-22,378.65-7,528.75

Finding the Fourth Proportional to 14,946.78, 22,378.65 and 7,528.75

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Solution

The fourth proportional to 14,946.78, 22,378.65 and 7,528.75 is: 11,272.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,946.78 : 22,378.65 = 7,528.75 : x
  2. Step 2: Convert to fraction form
    14,946.78/22,378.65 = 7,528.75/x
  3. Step 3: Cross multiply
    14,946.78x = 22,378.65 × 7,528.75
  4. Step 4: Simplify right side
    14,946.78x = 168,483,192.89
  5. Step 5: Solve for x
    x = 168,483,192.89/14,946.78
  6. Step 6: Final answer
    x = 11,272.21

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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.