Home / 13,099.93-18,074.95-10,984.01

Finding the Fourth Proportional to 13,099.93, 18,074.95 and 10,984.01

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Solution

The fourth proportional to 13,099.93, 18,074.95 and 10,984.01 is: 15,155.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,099.93 : 18,074.95 = 10,984.01 : x
  2. Step 2: Convert to fraction form
    13,099.93/18,074.95 = 10,984.01/x
  3. Step 3: Cross multiply
    13,099.93x = 18,074.95 × 10,984.01
  4. Step 4: Simplify right side
    13,099.93x = 198,535,313.71
  5. Step 5: Solve for x
    x = 198,535,313.71/13,099.93
  6. Step 6: Final answer
    x = 15,155.45

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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.