Home / 19,417.02-26,779.02-16,406.91

Finding the Fourth Proportional to 19,417.02, 26,779.02 and 16,406.91

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Solution

The fourth proportional to 19,417.02, 26,779.02 and 16,406.91 is: 22,627.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,417.02 : 26,779.02 = 16,406.91 : x
  2. Step 2: Convert to fraction form
    19,417.02/26,779.02 = 16,406.91/x
  3. Step 3: Cross multiply
    19,417.02x = 26,779.02 × 16,406.91
  4. Step 4: Simplify right side
    19,417.02x = 439,360,971.03
  5. Step 5: Solve for x
    x = 439,360,971.03/19,417.02
  6. Step 6: Final answer
    x = 22,627.62

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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.