Home / 13,124.72-19,685.85-4,804.40

Finding the Fourth Proportional to 13,124.72, 19,685.85 and 4,804.40

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Solution

The fourth proportional to 13,124.72, 19,685.85 and 4,804.40 is: 7,206.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124.72 : 19,685.85 = 4,804.40 : x
  2. Step 2: Convert to fraction form
    13,124.72/19,685.85 = 4,804.40/x
  3. Step 3: Cross multiply
    13,124.72x = 19,685.85 × 4,804.40
  4. Step 4: Simplify right side
    13,124.72x = 94,578,599.31
  5. Step 5: Solve for x
    x = 94,578,599.31/13,124.72
  6. Step 6: Final answer
    x = 7,206.14

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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.