Home / 13,423.02-20,117.52-7,582.92

Finding the Fourth Proportional to 13,423.02, 20,117.52 and 7,582.92

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Solution

The fourth proportional to 13,423.02, 20,117.52 and 7,582.92 is: 11,364.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,423.02 : 20,117.52 = 7,582.92 : x
  2. Step 2: Convert to fraction form
    13,423.02/20,117.52 = 7,582.92/x
  3. Step 3: Cross multiply
    13,423.02x = 20,117.52 × 7,582.92
  4. Step 4: Simplify right side
    13,423.02x = 152,549,544.76
  5. Step 5: Solve for x
    x = 152,549,544.76/13,423.02
  6. Step 6: Final answer
    x = 11,364.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.