Home / 22,595.12-31,165.64-15,509.24

Finding the Fourth Proportional to 22,595.12, 31,165.64 and 15,509.24

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Solution

The fourth proportional to 22,595.12, 31,165.64 and 15,509.24 is: 21,392.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,595.12 : 31,165.64 = 15,509.24 : x
  2. Step 2: Convert to fraction form
    22,595.12/31,165.64 = 15,509.24/x
  3. Step 3: Cross multiply
    22,595.12x = 31,165.64 × 15,509.24
  4. Step 4: Simplify right side
    22,595.12x = 483,355,390.51
  5. Step 5: Solve for x
    x = 483,355,390.51/22,595.12
  6. Step 6: Final answer
    x = 21,392.03

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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.