Home / 17,888.36-24,686.10-9,931.32

Finding the Fourth Proportional to 17,888.36, 24,686.10 and 9,931.32

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Solution

The fourth proportional to 17,888.36, 24,686.10 and 9,931.32 is: 13,705.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,888.36 : 24,686.10 = 9,931.32 : x
  2. Step 2: Convert to fraction form
    17,888.36/24,686.10 = 9,931.32/x
  3. Step 3: Cross multiply
    17,888.36x = 24,686.10 × 9,931.32
  4. Step 4: Simplify right side
    17,888.36x = 245,165,558.65
  5. Step 5: Solve for x
    x = 245,165,558.65/17,888.36
  6. Step 6: Final answer
    x = 13,705.32

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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.