Home / 19,415.02-26,802.42-12,710.92

Finding the Fourth Proportional to 19,415.02, 26,802.42 and 12,710.92

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Solution

The fourth proportional to 19,415.02, 26,802.42 and 12,710.92 is: 17,547.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,415.02 : 26,802.42 = 12,710.92 : x
  2. Step 2: Convert to fraction form
    19,415.02/26,802.42 = 12,710.92/x
  3. Step 3: Cross multiply
    19,415.02x = 26,802.42 × 12,710.92
  4. Step 4: Simplify right side
    19,415.02x = 340,683,282.41
  5. Step 5: Solve for x
    x = 340,683,282.41/19,415.02
  6. Step 6: Final answer
    x = 17,547.41

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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.