Home / 14,154.95-19,533.83-7,867.32

Finding the Fourth Proportional to 14,154.95, 19,533.83 and 7,867.32

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Solution

The fourth proportional to 14,154.95, 19,533.83 and 7,867.32 is: 10,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,154.95 : 19,533.83 = 7,867.32 : x
  2. Step 2: Convert to fraction form
    14,154.95/19,533.83 = 7,867.32/x
  3. Step 3: Cross multiply
    14,154.95x = 19,533.83 × 7,867.32
  4. Step 4: Simplify right side
    14,154.95x = 153,678,852.10
  5. Step 5: Solve for x
    x = 153,678,852.10/14,154.95
  6. Step 6: Final answer
    x = 10,856.90

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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.