Home / 19,225.80-28,838.70-10,368.45

Finding the Fourth Proportional to 19,225.80, 28,838.70 and 10,368.45

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Solution

The fourth proportional to 19,225.80, 28,838.70 and 10,368.45 is: 15,552.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,225.80 : 28,838.70 = 10,368.45 : x
  2. Step 2: Convert to fraction form
    19,225.80/28,838.70 = 10,368.45/x
  3. Step 3: Cross multiply
    19,225.80x = 28,838.70 × 10,368.45
  4. Step 4: Simplify right side
    19,225.80x = 299,012,619.02
  5. Step 5: Solve for x
    x = 299,012,619.02/19,225.80
  6. Step 6: Final answer
    x = 15,552.68

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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.