Home / 15,987.28-22,051.52-10,533.28

Finding the Fourth Proportional to 15,987.28, 22,051.52 and 10,533.28

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Solution

The fourth proportional to 15,987.28, 22,051.52 and 10,533.28 is: 14,528.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,987.28 : 22,051.52 = 10,533.28 : x
  2. Step 2: Convert to fraction form
    15,987.28/22,051.52 = 10,533.28/x
  3. Step 3: Cross multiply
    15,987.28x = 22,051.52 × 10,533.28
  4. Step 4: Simplify right side
    15,987.28x = 232,274,834.59
  5. Step 5: Solve for x
    x = 232,274,834.59/15,987.28
  6. Step 6: Final answer
    x = 14,528.73

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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.