Home / 23,140.32-31,918.32-14,767.20

Finding the Fourth Proportional to 23,140.32, 31,918.32 and 14,767.20

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Solution

The fourth proportional to 23,140.32, 31,918.32 and 14,767.20 is: 20,368.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,140.32 : 31,918.32 = 14,767.20 : x
  2. Step 2: Convert to fraction form
    23,140.32/31,918.32 = 14,767.20/x
  3. Step 3: Cross multiply
    23,140.32x = 31,918.32 × 14,767.20
  4. Step 4: Simplify right side
    23,140.32x = 471,344,215.10
  5. Step 5: Solve for x
    x = 471,344,215.10/23,140.32
  6. Step 6: Final answer
    x = 20,368.96

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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.