Home / 18,710.48-25,820.07-10,752.50

Finding the Fourth Proportional to 18,710.48, 25,820.07 and 10,752.50

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Solution

The fourth proportional to 18,710.48, 25,820.07 and 10,752.50 is: 14,838.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,710.48 : 25,820.07 = 10,752.50 : x
  2. Step 2: Convert to fraction form
    18,710.48/25,820.07 = 10,752.50/x
  3. Step 3: Cross multiply
    18,710.48x = 25,820.07 × 10,752.50
  4. Step 4: Simplify right side
    18,710.48x = 277,630,173.57
  5. Step 5: Solve for x
    x = 277,630,173.57/18,710.48
  6. Step 6: Final answer
    x = 14,838.22

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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.