Home / 16,869.02-23,281.05-12,612.74

Finding the Fourth Proportional to 16,869.02, 23,281.05 and 12,612.74

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Solution

The fourth proportional to 16,869.02, 23,281.05 and 12,612.74 is: 17,406.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,869.02 : 23,281.05 = 12,612.74 : x
  2. Step 2: Convert to fraction form
    16,869.02/23,281.05 = 12,612.74/x
  3. Step 3: Cross multiply
    16,869.02x = 23,281.05 × 12,612.74
  4. Step 4: Simplify right side
    16,869.02x = 293,637,714.17
  5. Step 5: Solve for x
    x = 293,637,714.17/16,869.02
  6. Step 6: Final answer
    x = 17,406.93

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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.