Home / 22,765.32-31,398.32-14,810.08

Finding the Fourth Proportional to 22,765.32, 31,398.32 and 14,810.08

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Solution

The fourth proportional to 22,765.32, 31,398.32 and 14,810.08 is: 20,426.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,765.32 : 31,398.32 = 14,810.08 : x
  2. Step 2: Convert to fraction form
    22,765.32/31,398.32 = 14,810.08/x
  3. Step 3: Cross multiply
    22,765.32x = 31,398.32 × 14,810.08
  4. Step 4: Simplify right side
    22,765.32x = 465,011,631.07
  5. Step 5: Solve for x
    x = 465,011,631.07/22,765.32
  6. Step 6: Final answer
    x = 20,426.32

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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.