Home / 19,260.40-28,898.70-10,501.60

Finding the Fourth Proportional to 19,260.40, 28,898.70 and 10,501.60

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Solution

The fourth proportional to 19,260.40, 28,898.70 and 10,501.60 is: 15,756.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,260.40 : 28,898.70 = 10,501.60 : x
  2. Step 2: Convert to fraction form
    19,260.40/28,898.70 = 10,501.60/x
  3. Step 3: Cross multiply
    19,260.40x = 28,898.70 × 10,501.60
  4. Step 4: Simplify right side
    19,260.40x = 303,482,587.92
  5. Step 5: Solve for x
    x = 303,482,587.92/19,260.40
  6. Step 6: Final answer
    x = 15,756.82

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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.