Home / 13,368.83-18,440.64-10,533.24

Finding the Fourth Proportional to 13,368.83, 18,440.64 and 10,533.24

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Solution

The fourth proportional to 13,368.83, 18,440.64 and 10,533.24 is: 14,529.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,368.83 : 18,440.64 = 10,533.24 : x
  2. Step 2: Convert to fraction form
    13,368.83/18,440.64 = 10,533.24/x
  3. Step 3: Cross multiply
    13,368.83x = 18,440.64 × 10,533.24
  4. Step 4: Simplify right side
    13,368.83x = 194,239,686.87
  5. Step 5: Solve for x
    x = 194,239,686.87/13,368.83
  6. Step 6: Final answer
    x = 14,529.30

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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.