Home / 13,980.08-19,313.70-10,437.14

Finding the Fourth Proportional to 13,980.08, 19,313.70 and 10,437.14

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Solution

The fourth proportional to 13,980.08, 19,313.70 and 10,437.14 is: 14,419.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,980.08 : 19,313.70 = 10,437.14 : x
  2. Step 2: Convert to fraction form
    13,980.08/19,313.70 = 10,437.14/x
  3. Step 3: Cross multiply
    13,980.08x = 19,313.70 × 10,437.14
  4. Step 4: Simplify right side
    13,980.08x = 201,579,790.82
  5. Step 5: Solve for x
    x = 201,579,790.82/13,980.08
  6. Step 6: Final answer
    x = 14,419.07

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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.