Home / 23,298.40-32,151.92-12,688.08

Finding the Fourth Proportional to 23,298.40, 32,151.92 and 12,688.08

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Solution

The fourth proportional to 23,298.40, 32,151.92 and 12,688.08 is: 17,509.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,298.40 : 32,151.92 = 12,688.08 : x
  2. Step 2: Convert to fraction form
    23,298.40/32,151.92 = 12,688.08/x
  3. Step 3: Cross multiply
    23,298.40x = 32,151.92 × 12,688.08
  4. Step 4: Simplify right side
    23,298.40x = 407,946,133.11
  5. Step 5: Solve for x
    x = 407,946,133.11/23,298.40
  6. Step 6: Final answer
    x = 17,509.62

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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.