Home / 15,943.32-22,002.30-9,973.08

Finding the Fourth Proportional to 15,943.32, 22,002.30 and 9,973.08

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Solution

The fourth proportional to 15,943.32, 22,002.30 and 9,973.08 is: 13,763.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,943.32 : 22,002.30 = 9,973.08 : x
  2. Step 2: Convert to fraction form
    15,943.32/22,002.30 = 9,973.08/x
  3. Step 3: Cross multiply
    15,943.32x = 22,002.30 × 9,973.08
  4. Step 4: Simplify right side
    15,943.32x = 219,430,698.08
  5. Step 5: Solve for x
    x = 219,430,698.08/15,943.32
  6. Step 6: Final answer
    x = 13,763.17

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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.