Home / 16,970.31-23,417.90-9,416.16

Finding the Fourth Proportional to 16,970.31, 23,417.90 and 9,416.16

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Solution

The fourth proportional to 16,970.31, 23,417.90 and 9,416.16 is: 12,993.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,970.31 : 23,417.90 = 9,416.16 : x
  2. Step 2: Convert to fraction form
    16,970.31/23,417.90 = 9,416.16/x
  3. Step 3: Cross multiply
    16,970.31x = 23,417.90 × 9,416.16
  4. Step 4: Simplify right side
    16,970.31x = 220,506,719.67
  5. Step 5: Solve for x
    x = 220,506,719.67/16,970.31
  6. Step 6: Final answer
    x = 12,993.68

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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.