Home / 16,897.64-23,320.40-9,345.74

Finding the Fourth Proportional to 16,897.64, 23,320.40 and 9,345.74

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Solution

The fourth proportional to 16,897.64, 23,320.40 and 9,345.74 is: 12,898.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,897.64 : 23,320.40 = 9,345.74 : x
  2. Step 2: Convert to fraction form
    16,897.64/23,320.40 = 9,345.74/x
  3. Step 3: Cross multiply
    16,897.64x = 23,320.40 × 9,345.74
  4. Step 4: Simplify right side
    16,897.64x = 217,946,231.77
  5. Step 5: Solve for x
    x = 217,946,231.77/16,897.64
  6. Step 6: Final answer
    x = 12,898.03

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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.