Home / 18,509.48-25,543.00-10,011.58

Finding the Fourth Proportional to 18,509.48, 25,543.00 and 10,011.58

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Solution

The fourth proportional to 18,509.48, 25,543.00 and 10,011.58 is: 13,815.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,509.48 : 25,543.00 = 10,011.58 : x
  2. Step 2: Convert to fraction form
    18,509.48/25,543.00 = 10,011.58/x
  3. Step 3: Cross multiply
    18,509.48x = 25,543.00 × 10,011.58
  4. Step 4: Simplify right side
    18,509.48x = 255,725,737.88
  5. Step 5: Solve for x
    x = 255,725,737.88/18,509.48
  6. Step 6: Final answer
    x = 13,815.93

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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.